HeartlynQ480334 HeartlynQ480334

03-11-2022
Mathematics

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Simplify: (2x-7)(2x+7)

Respuesta :

MilezO225960 MilezO225960

03-11-2022

First, we multiply both expressions:

[tex](2x-7)(2x-7)=2x\cdot2x-7\cdot2x-2x\cdot7+7\cdot7.[/tex]

Now, we simplify:

[tex]\begin{gathered} 2x\cdot2x-7\cdot2x-2x\cdot7+7\cdot7=4x^2-2(7\cdot2x)+49 \\ =4x^2-28x+49. \end{gathered}[/tex]

Answer:

[tex]4x^2-28x+49.[/tex]

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