Multiply using the FOIL method.
-(x + 11y)(3x - 12y)
A) $3 x ^ { 2 } + 21 x y - 132 y ^ { 2 }$
B) $3 x ^ { 2 } + 21 x y + 21 y ^ { 2 }$
C) $x ^ { 2 } + 21 x y - 132 y ^ { 2 }$
D) $x ^ { 2 } + 21 x y + 21 y ^ { 2 }$

Question

Quizplus · Accepted Answer

Using the FOIL method, we multiply the first terms, outer terms, inner terms, and last terms: (x * 3x) + (x * -12y) + (11y * 3x) + (11y * -12y) = $3x^2 - 12xy + 33xy - 132y^2$ = $3x^2 + 21xy - 132y^2$.

Multiply Using the FOIL Method 3x2+21xy−132y23 x ^ { 2 } + 21 x y - 132 y ^ { 2 }3x2+21xy−132y2

Multiply Using the FOIL Method $3 x ^ { 2 } + 21 x y - 132 y ^ { 2 }$