Multiply.
-$(4 x-9)(4 x-9)$
A) $4 x^{2}-72 x-73$
B) $16 x^{2}+81 x-72$
C) $16 x^{2}-72 x+81$
D) $4 x^{2}-73 x+81$

Name: Multiply. -$(4 x-9)(4 x-9)$ A) $4 x^{2}-72 x-73$ B) $16 x^{2}+81 x-72$ C) $16 x^{2}-72 x+81$ D) $4 x^{2}-73 x+81$
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Question

Quizplus · Accepted Answer

The correct expansion of $(4x-9)(4x-9)$ is $16x^2 - 72x + 81$, using the formula $(a-b)^2 = a^2 - 2ab + b^2$.

Multiply - (4x−9)(4x−9)(4 x-9)(4 x-9)(4x−9)(4x−9) A) 4x2−72x−734 x^{2}-72 x-734x2−72x−73 B) 16x2+81x−7216 x^{2}+81 x-7216x2+81x−72

Multiply
- $(4 x-9)(4 x-9)$ A) $4 x^{2}-72 x-73$ B) $16 x^{2}+81 x-72$