factorise:16(5x+4)²- 9(3x-2)²
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Answered by
3
Answer:
answer: 16(5x+4)²-9(3x-2)²=319x²+748x+175
Step-by-step explanation:
=16[(5x)²+2*5x*4+4²]-9[(3x)²-2*2*3x+2²]
=16(25x²+40x+16)-9(9x²-12x+4)
=400x²+640x+256-81x²+108x-36
=400x²-81x²+640x+108x+256-81
=319x²+748x+175
PLS.. MARK AS BRAINLIEST
Answered by
3
Answer:
16(5x+4)²-9(3x-2)²=319x²+748x+175
Step-by-step explanation:
=16[(5x)²+2*5x*4+4²]-9[(3x)²-2*2*3x+2²]
=16(25x²+40x+16)-9(9x²-12x+4)
=400x²+640x+256-81x²+108x-36
=400x²-81x²+640x+108x+256-81
=319x²+748x+175
plz mark as branilist
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