Combine like terms.
-$11 a b + 4 + 19 a b ^ { 2 } + 7 + 3 a b ^ { 2 } + 2 a b + 20 a ^ { 2 } b ^ { 2 }$
A) $20 a ^ { 2 } b ^ { 2 } + 35 a b ^ { 2 } + 11$
B) $20 a ^ { 2 } b ^ { 2 } + 22 a b ^ { 2 } + 13 a b + 11$
C) $42 a ^ { 2 } b ^ { 2 } + 13 a b + 11$
D) $11 a b + 4 + 19 a b ^ { 2 } + 7 + 3 a b ^ { 2 } + 2 a b + 20 a ^ { 2 } b ^ { 2 }$

Question

Quizplus · Accepted Answer

Combining like terms: $11ab + 2ab = 13ab$, $19ab^2 + 3ab^2 = 22ab^2$, $4 + 7 = 11$, and $20a^2b^2$ remains unchanged. Thus, the correct expression is $20a^2b^2 + 22ab^2 + 13ab + 11$.

Combine Like Terms 11ab+4+19ab2+7+3ab2+2ab+20a2b211 a b + 4 + 19 a b ^ { 2 } + 7 + 3 a b ^ { 2 } + 2 a b + 20 a ^ { 2 } b ^ { 2 }11ab+4+19ab2+7+3ab2+2ab+20a2b2

Combine Like Terms $11 a b + 4 + 19 a b ^ { 2 } + 7 + 3 a b ^ { 2 } + 2 a b + 20 a ^ { 2 } b ^ { 2 }$