Multiply.
-( $( 5 a - 3 ) ^ { 2 }$
A) $5 a ^ { 2 } + 9$
B) $25 a ^ { 2 } - 30 a + 9$
C) $25 a ^ { 2 } + 9$
D) $5 a ^ { 2 } - 30 a + 9$ 9

Name: Multiply. -( $( 5 a - 3 ) ^ { 2 }$ A) $5 a ^ { 2 } + 9$ B) $25 a ^ { 2 } - 30 a + 9$ C) $25 a ^ { 2 } + 9$ D) $5 a ^ { 2 } - 30 a + 9$ 9
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Question

Quizplus · Accepted Answer

To multiply $(5a - 3)^2$, you square the first term, multiply the outer and inner terms and double it (since it's a binomial squared), and square the last term: $(5a)^2 - 2(5a)(3) + (-3)^2 = 25a^2 - 30a + 9$.

Multiply - (5a−3)2( 5 a - 3 ) ^ { 2 }(5a−3)2

Multiply
- $( 5 a - 3 ) ^ { 2 }$