Math, asked by sdchahar, 5 months ago

Factorize 16x2 – 81

Answers

Answered by lalitha8reddy

1

Answer:

-49

Step-by-step explanation:

16into2 is equal to 32

therefore +32-81 is equal to -49

Answered by sumitlabade07

2

Step-by-step explanation:

16x²-81=(4x²)²-(3²)²

Since a²-b²=(a+b)(a-b)

(4x²)²-(3²)²=(4x²+9)(4x²-9)

=(4x²+9)(2x+3)(2x-3)

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