Math, asked by durdanahaider491, 5 months ago

Factorize expression completely
-81x² + 16

Answers

Answered by XxTiggerCutieXx

1

Answer:

(-9x-4) (9x-4)

Step-by-step explanation:

Rewrite −81x2+16 as 42−(9x)2. The difference of squares can be factored using the rule: a2−b2=(a−b)(a+b)

(4−9x)(4+9x) then reorder the terms so that : (−9x+4)(9x+4)

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