pls answer really quick pls
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Hope its useful for u if yes mark as brainlist
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Answer:
(7+5x)(7+5x) - (2x-3)(2x-3)
= (7+5x)² - (2x-3)²
= (7²+5x²+2.7.5x) - (2x²+3²-2.2x.3)
= (49+25x²+70x) - (4x²+9-12x)
= 49+25x²+70x-4x²-9+12x
= 40+21x²+82x
= 21x²+82x+40
Hope it helps you out dear......
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