factorize 7x^2-16/25
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7x²-(4/5)²
a²-b²=>(a+b)(a-b)
(7x+4/5)(7x-4/5)
a²-b²=>(a+b)(a-b)
(7x+4/5)(7x-4/5)
sohailz9908:
thanks
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