Multiply.
-$( 10 z + 7 ) ^ { 2 }$
A) $10 z ^ { 2 } + 49$
B) $100 z ^ { 2 } + 49$
C) $10 z ^ { 2 } + 140 z + 49$
D) $100 z ^ { 2 } + 140 z + 49$

Name: Multiply. -$( 10 z + 7 ) ^ { 2 }$ A) $10 z ^ { 2 } + 49$ B) $100 z ^ { 2 } + 49$ C) $10 z ^ { 2 } + 140 z + 49$ D) $100 z ^ { 2 } + 140 z + 49$
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Question

Quizplus · Accepted Answer

To square the binomial $(10z + 7)^2$, apply the formula $(a + b)^2 = a^2 + 2ab + b^2$, resulting in $100z^2 + 140z + 49$.

Multiply - (10z+7)2( 10 z + 7 ) ^ { 2 }(10z+7)2

Multiply
- $( 10 z + 7 ) ^ { 2 }$