Factor the trinomial, if possible.
-$$x ^ { 2 } - x - 72$$
A) $( x + 9 ) ( x - 8 )$
B) $( x + 1 ) ( x - 17 )$
C) $( x + 8 ) ( x - 9 )$
D) $( x - 9 ) ( x + 9 )$

Name: Factor the trinomial, if possible. -\[x ^ { 2 } - x - 72\] A) $( x + 9 ) ( x - 8 )$ B) $( x + 1 ) ( x - 17 )$ C) $( x + 8 ) ( x - 9 )$ D) $( x - 9 ) ( x + 9 )$
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Question

Quizplus · Accepted Answer

The trinomial $x^2 - x - 72$ factors into $(x + 8)(x - 9)$ because the product of 8 and -9 is -72 and their sum is -1.

Factor the Trinomial, If Possible x2−x−72x ^ { 2 } - x - 72x2−x−72

Factor the Trinomial, If Possible $x ^ { 2 } - x - 72$