Problem

1 point
Which expression is a factor of $x^{2} + 3 x - 40 ?$
A. $(x - 4)$
B. $(x - 5)$
C. $(x - 8)$
D. $(x - 10)$

Answer

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Hide Steps

Answer

Factor the quadratic: (x + 8)(x - 5)

Steps

Step 1 ：Find the factors of -40 such that their sum is 3.

Step 2 ：The factors are 8 and -5.

Step 3 ：Factor the quadratic: (x + 8)(x - 5)

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