Factor.
-$x ^ { 2 } - 7 x - 18$
A) $( x - 2 ) ( x + 1 )$
B) $( x + 2 ) ( x - 9 )$
C) $( x - 2 ) ( x + 9 )$
D) Prime

Name: Factor. -$x ^ { 2 } - 7 x - 18$ A) $( x - 2 ) ( x + 1 )$ B) $( x + 2 ) ( x - 9 )$ C) $( x - 2 ) ( x + 9 )$ D) Prime
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Question

Quizplus · Accepted Answer

The correct factorization of $x^2 - 7x - 18$ is found by looking for two numbers that multiply to -18 and add to -7. Those numbers are +2 and -9, making the factorization $(x + 2)(x - 9)$.

Factor - x2−7x−18x ^ { 2 } - 7 x - 18x2−7x−18

Factor
- $x ^ { 2 } - 7 x - 18$