Multiply using the FOIL method.
-(x - 1)(x - 9)
A) $x ^ { 2 } + 9 x - 10$
B) $x ^ { 2 } - 10 x + 9$
C) $x ^ { 2 } - 10 x - 10$
D) $x ^ { 2 } - 11 x + 9$

Name: Multiply using the FOIL method. -(x - 1)(x - 9) A) $x ^ { 2 } + 9 x - 10$ B) $x ^ { 2 } - 10 x + 9$ C) $x ^ { 2 } - 10 x - 10$ D) $x ^ { 2 } - 11 x + 9$
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Question

Quizplus · Accepted Answer

The FOIL method involves multiplying the first terms, the outer terms, the inner terms, and the last terms together. For $(x - 1)(x - 9)$, this results in $x^2 - 9x - x + 9 = x^2 - 10x + 9$.

Multiply Using the FOIL Method x2+9x−10x ^ { 2 } + 9 x - 10x2+9x−10

Multiply Using the FOIL Method $x ^ { 2 } + 9 x - 10$