Question 1

Simplify: $(9k^3 + 7k^4 - 5) + (6k^3 - 3k^4 - 2)$

Accepted Answer

$4k^4 + 15k^3 -7$

Answer

$4k^4 + 15k^3 -19$

Answer

$4k^4 + 11k^3 -12$

Answer

$4k^4 + 11k^3 -7$

Question 2

Simplify: $(2x^3 + 8x^4 + 2) + (10x^4 + 9x^3 + 4x^2)$

Accepted Answer

$18x^4 + 11x^3 + 4x^2 + 2$

Answer

$18x^4 + 11x^3 + 9x^2 + 2$

Answer

$18x^4 + 11x^3 + 9x^2$

Answer

$18x^4 + 11x^3 + 10x^2$

Question 3

Simplify: $(11x^5 - 10x^3 - 11) + (8 + 9x^5 - 6x^3)$

Accepted Answer

$20x^5 - 16x^3 - 3$

Answer

$20x^5 - 16x^3 - 4$

Answer

$20x^5 -27x^3 -8$

Answer

$20x^5 - 27x^3 - 4$

Question 4

Simplify: $(b^2 - b^5 - 11b^4) + (7b^4 - 11b^2 + b^5)$

Accepted Answer

$-4b^4 - 10b^2$

Answer

$-7b^4 - 10b^2$

Answer

$-11b^4 - 10b^2$

Answer

$-8b^4 - 10b^2$

Question 5

Simplify: $(5b^3 - 11 + 5b) - (7 - 9b + 10b^3)$

Accepted Answer

$-5b^3 + 14b - 18$

Answer

$-5b^3 + 12b - 18$

Answer

$-5b^3 + 12b - 25$

Answer

$-5b^3 + 14b - 26$

Question 6

Simplify: $(n^2 - 6 + 3n^5) - (6n - 7n^5 + 2n^2)$

Accepted Answer

$10n^5 - n^2 - 6n - 6$

Answer

$10n^5 - n^2 - 6n - 1$

Answer

$16n^5 - n^2 - 6n - 6$

Answer

$16n^5 - 13n^2 - 6n - 1$

Question 7

Simplify: $(p^3 - 6p^4 + 5p) + (12p^4 + p - 8p^3)$

Accepted Answer

$6p^4 - 7p^3 + 6p$

Answer

$6p^4 - 11p^3 + 15p$

Answer

$17p^4 - 7p^3 + 15p$

Answer

$6p^4 - 7p^3 + 15p$

Question 8

Simplify: $(6b - 7 + 12b^5) + (2 - 8b - 5b^5)$

Accepted Answer

$7b^5 - 2b -5$

Answer

$14b^5 - 11b -5$

Answer

$7b^5 - 11b -5$

Answer

$13b^5 - 2b -5$

Question 9

Simplify: $(7n^3 + 8n^5 - 11n) + (7n^5 - 10n^3 + 8n)$

Accepted Answer

$15n^5 - 3n^3 - 3n$

Answer

$15n^5 - n^3 - 3n$

Answer

$17n^5 - 6n^3 - 3n$

Answer

$15n^5 - 6n^3 - 3n$

Question 10

Simplify: $(4x^3 - 12x^5 + 10) + (8 + 7x^5 - 5x^3)$

Accepted Answer

$-5x^5 - x^3 + 18$

Answer

$-17x^5 - x^3 + 18$

Answer

$-17x^5 +18 - 12x^3$

Answer

$-17x^5 + 18$

Question 11

Simplify: $(12a^4 + 10a^3 - 4a) + (11a + 4a^3 - 9a^2)$

Accepted Answer

$12a^4 + 14a^3 - 9a^2 + 7a$

Answer

$12a^4 + 14a^3 + 7a$

Answer

$12a^4 + 14a^3 + 5a - 8a^2$

Answer

$12a^4 + 14a^3 + 7a - 8a^2$

Question 12

Simplify: $(12x^2 + 6 + 7x^4) - (4x^5 - 10x^4 + 7$

Accepted Answer

$-4x^5 + 17x^4 + 12x^2 - 1$

Answer

$-4x^5 + 27x^4 + 12x^2 - 1$

Answer

$-4x^5 + 27x^4 + 23x^2 - 7$

Answer

$-4x^5 + 17x^4 + 12x^2 - 7$

Question 13

Simplify: $(5x^3 + 9x^5 + 2x^4) + (6x - 3x^5 + 5x^3)$

Accepted Answer

$6x^5 + 2x^4 + 10x^3 + 6x$

Answer

$6x^5 + 2x^4 + 10x^3 + 2x$

Answer

$6x^5 + 3x^4 + 2x$

Answer

$6x^5 + 2x^4 + 2x$

Question 14

Simplify: $(8b^2 + 11b^5 + 12b) + (5b^2 - 12b^5 -6b)$

Accepted Answer

$-b^5 + 13b^2 + 6b$

Answer

$-b^5 + 11b^2 + 6b$

Answer

$9b^5 + 8b^2 + 6b$

Answer

$-b^5 + 8b^2 + 6b$

Question 15

Simplify: $(9n^5 - 9n^3 - 10n^4) - (9n^3 + 12n^4 + 2n^5$

Accepted Answer

$7n^5 - 22n^4 - 18n^3$

Answer

$7n^5 - 22n^4 - 27n^3$

Answer

$16n^5 - 22n^4 - 27n^3$

Answer

$16n^5 - 22n^4 - 19n^3$

Related quizzes

Related quizzes