Question

Use the FOIL method to find the product of the binomials.

(x + 7)(3x - 2)

A. 3x2 + 21x - 14
B. 3x2 + 19x - 14
C. 3x2 - 2x - 14
D. 3x2 - 23x - 14

Answer 1

first multiply each term ...
\[\Large (x+7)(3x-2)=[x\cdot 3x]-2\cdot x+7\cdot 3x-7\cdot 2 \]
now multiply\simplify them...

Answer 2

i got B I think its wrong thou ..

Answer 3

\[\LARGE 3x^2-2x+21x-14=3x^2+19x-14\]
that's correct... why do you think it's wrong? :)