Multiply: $$( 9 x - 2 ) ( x - 7 )$$
A) $9 x ^ { 2 } - 61 x + 14$
B) $9 x ^ { 2 } - 65 x + 14$
C) $9 x ^ { 2 } + 63 x + 9$
D) $9 x ^ { 2 } - 18 x - 7$
E) $9 x ^ { 2 } + 9 x + 9$

Question

Quizplus · Accepted Answer

We can use the FOIL method to expand the expression:

\begin{align*}
(9x-2)(x-7) &= 9x^2 - 63x - 2x + 14 \
&= 9x^2 - 65x + 14
\end{align*}

Therefore, the answer is choice B.

Multiply (9x−2)(x−7)( 9 x - 2 ) ( x - 7 )(9x−2)(x−7)

Multiply $( 9 x - 2 ) ( x - 7 )$