Find the product of (4x-5)
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Answered by
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Answer:
i don't think ur question is correct ..
it should be (4x-5) (4x+5)
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Answered by
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Answer:
(4x-5)²=(4x)²+(5)²-2(4x)(5)
=16x²+25-40x
(4x-5)(4x+5)=(4x)²-(5)²=16x²-25
(4x-5)³=(4x)³-(5)³-3(4x)(5)(4x-5)
=64x³-125-60x(4x-5)
=64x³-125-240x²+300x
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