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12-05-2020
Mathematics

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What is the factorization of the expression below? 4x^2-81

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wegnerkolmp2741o wegnerkolmp2741o

12-05-2020

Answer:

(2x-9) (2x+9)

Step-by-step explanation:

4x^2-81

Writing this as

(2x)^2 - 9^2

We recognize this as the difference of squares

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

(2x-9) (2x+9)

Answer Link

amna04352 amna04352

12-05-2020

Answer:

(2x - 9)(2x + 9)

Step-by-step explanation:

4x² - 81

(2x)² - 9²

(2x - 9)(2x + 9)

Answer Link

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