25x²-9y²+24yz-16z²?????
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25x²-(9y²-24yz+16z²)
= (5x)²- [(3y)²-2(3y)(4z)+(4z)²]
= (5x)² - (3y-4z)²
= (5x +3y-4z)(5x-(3y-4z)
= (5x+3y-4z)(5x-3y+4z)
I hope this answer helps you.
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