Question 1

$4x^3$ + $3x^3$ simplified becomes....

Accepted Answer

$7x^7$

Answer

$12x^{12}$

Answer

$7x^{12}$

Answer

$12x^7$

Question 2

($3x^4$ + $4x^2$) - ($2x^2$ - $5x^4$) simplified becomes

Accepted Answer

$8x^4$ + $2x^2$

Answer

$1x^2$ - $1x^4$

Answer

$1x^4$ - $1x^2$

Answer

$-2x^4$ + $2x^2$

Question 3

(4 + $2n^3$) + ($5n^3$ + 2)

Accepted Answer

$7n^3$ + 6

Answer

$9n^3$ + $4n^3$

Answer

$13n^3$

Answer

$7n^6$ + 6

Question 4

($8n$ -$3n^4$ + $10n^2$) - ($3n^2$ + $11n^4$ - 7) simplifies to....

Accepted Answer

$-14n^4$ + $7n^2$ + $8n$ +7

Answer

$5n^2$ -$14n^4$ +$3n^2$

Answer

$8n$ -$8n^4$ -$7n^2$ - 7

Question 5

($-4k^4$ + 14 + $3k^2$) + ($-3k^4$ - $14k^2$ - 8)

Accepted Answer

$-7k^4$ - $11k^2$ + 6

Answer

$-7k^4$ + $-17k^2$ + 6

Answer

$-7k^4$ - $5k^2$

Question 6

(7-$13x^3$ -$11x$) - ($2x^3$ + 8 - $4x^5$)

Accepted Answer

$4x^5$ - $15x^3$ - $11x$ -1

Answer

$4x^5$ + $15x^3$ - $11x$ -1

Answer

$-9x^3$ +$21x^3$ -$7x$

Question 7

($3a^2$ + 1) - (4 + $2a^2$ )

Accepted Answer

$1a^2$ - 3

Answer

$7a^2$ + $3a^2$

Answer

$5x^2$ + 5

Question 8

($3x^4$ -$3x$) - ($3x$ - $3x^4$)

Accepted Answer

$6x^4$ - $6x$

Answer

$-6x$

Answer

0

Answer

$-6x^4$

Question 9

($9r^3$ + $5r^2$ + $11r$) + ($-2r^3$ + $9r$ - $8r^2$)

Accepted Answer

$7r^3$ -$3r^2$ +$20r$

Answer

$11r^3$ + $13r^2$ + $20r$

Answer

$7r^3$+$14r^2$ + $3r$

Question 10

$5x^4$ - $4x^3$ + $3x^3$

Accepted Answer

$5x^4$ - $1x^3$

Answer

$1x^4$ + $3x^3$

Answer

$4x^3$

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