Question 1

Simplify the following:  $(-3x^2-7x+9)+(-5x^2+6x-4)$

Accepted Answer

$-8x^2-x-4$

Question 2

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

Accepted Answer

$2x^2+8x+3$

Question 3

Simplify the following: $(6x-8)-(8x+3)$

Accepted Answer

$-2x-11$

Answer

$-2x-1$

Answer

$-2x-7$

Answer

$-2x-5$

Question 4

Simplify the following: $(3x^2+5x-6)-(-2x^2-6x+7)$

Accepted Answer

$5x^2+11x-13$

Answer

$-5x^2-11x+13$

Answer

$-5x^2-x+1$

Answer

$5x^2-x+1$

Question 5

Simplify the following: $3x(2x^2-5)$

Accepted Answer

$6x^3-15x$

Question 6

Simplify the following: $-3x^2y(5xy^2+xy)$

Accepted Answer

$-15x^3y^3-3x^3y^2$

Question 7

Simplify the following: $(x+8)(x-5)$

Accepted Answer

$x^2+3x-40$

Answer

$x^2+13x-40$

Answer

$x^2-40$

Answer

$x^2-3x-40$

Question 8

Simplify the following: $(3x+2)(x-7)$

Accepted Answer

$3x^2-19x-14$

Answer

$3x^2-23x-14$

Answer

$3x^2-5x-14$

Answer

$3x^2-14$

Question 9

Simplify the following: $(x-6)^2$

Accepted Answer

$x^2-12x+36$

Answer

$x^2-36$

Answer

$x^2+12x+36$

Answer

$x^2+36$

Question 10

Simplify the following: $(x+1)(x^2-2x+3)$

Accepted Answer

$x^3-x^2+x+3$

Answer

$x^2-x+4$

Answer

$x^3-2x^2+3x$

Answer

$x^2-3x+2$

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