toltecavsmaya
Answered

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which expression is equivalent to

3(x+2)(x-1)+5x(x-1)

Sagot :

iGreen
3(x + 2)(x - 1) + 5x(x - 1)

Distribute 3 into the parenthesis:

(3x + 6)(x - 1) + 5x(x - 1)

Distribute 3x + 6 into the parenthesis:

3x^2 - 3x + 6x - 6 + 5x(x - 1)

Combine like terms:

3x^2 + 3x - 6 + 5x(x - 1)

Distribute 5x into the parenthesis:

3x^2 + 3x - 6 + 5x^2 - 5x

Combine like terms:

8x^2 - 2x - 6
dln
[tex]3(x+2)(x-1)+5x(x-1) \\ 3(x^{2}+x-2)+5x^{2}-5x \\ 3x^{2}+3x-6+5x^{2}-5x \\ (3x^{2}+5x^{2})+(3x-5x)-6 \\ \boxed{8x^{2}-2x-6}[/tex]
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