Perform the indicated operation.
-$\left( 3 x ^ { 2 } + 4 \right) + \left( 8 x ^ { 2 } + 20 \right)$
A) $11 x ^ { 2 } + 16$
B) $11 x ^ { 2 } + 24$
C) $5 x ^ { 2 } + 16$
D) $5 x ^ { 2 } + 24$

Name: Perform the indicated operation. -$\left( 3 x ^ { 2 } + 4 \right) + \left( 8 x ^ { 2 } + 20 \right)$ A) $11 x ^ { 2 } + 16$ B) $11 x ^ { 2 } + 24$ C) $5 x ^ { 2 } + 16$ D) $5 x ^ { 2 } + 24$
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Question

Quizplus · Accepted Answer

To solve, simply add the like terms: $3x^2 + 8x^2 = 11x^2$ and $4 + 20 = 24$, resulting in $11x^2 + 24$.

Perform the Indicated Operation (3x2+4)+(8x2+20)\left( 3 x ^ { 2 } + 4 \right) + \left( 8 x ^ { 2 } + 20 \right)(3x2+4)+(8x2+20)

Perform the Indicated Operation $\left( 3 x ^ { 2 } + 4 \right) + \left( 8 x ^ { 2 } + 20 \right)$