Respuesta :

isabelrainbow

Answer: x - 10

Step-by-step explanation:

first, i rewrote the expression.

x^2 + 2x - 10x - 20

then, i factored it.

x x (x + 2) - 10 (x + 2)

finally, i factored it once more.

solution: (x + 2) x (x - 10)

so, x - 10 is the factor that you need.

PirateApple

Answer:

D. (x - 10)

Step-by-step explanation:

X^2 - 8x - 20

(x - 10) * ( x + 2)

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