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04-02-2019
Mathematics

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PLEASE HELP!! Factor. 4x^2−49y^2

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wegnerkolmp2741o wegnerkolmp2741o

04-02-2019

Answer:

(2x-7y) (2x+7y)

Step-by-step explanation:

4x^2−49y^2

This is the difference of squares

a^2 - b^2 = (a-b) (a+b)

a^2 =4x^2 so a = 2x

b^2 = 49y^2 so b =7y

4x^2−49y^2 = (2x-7y) (2x+7y)

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