KayinH412055 KayinH412055

25-10-2022
Mathematics

contestada

Multiply.(2x + 4)(2x - 4)A. 4x2 + 16x- 16B. 4x2 - 16C. 4x2 - 16x - 16D. 4x2 + 16

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RayneK625128 RayneK625128

25-10-2022

We have to multiply the expression (2x + 4)(2x - 4):

[tex]\begin{gathered} \left(2x+4\right)\left(2x-4\right) \\ 2x\cdot2x+2x\cdot(-4)+4\cdot2x+4\cdot(-4) \\ 4x^2-8x+8x-16 \\ 4x^2+(8-8)x-16 \\ 4x^2-16 \end{gathered}[/tex]

The answer is:

B. 4x^2 - 16

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