Subtract
5a² -7ab + 5b from 3ab – 2a² - 2b
a(b-5) from b(6-a)
8y - y² - 4 from 3y² + 5y - 4
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Answer:
3ab - 2a2 - 2 b - 5a2 - 7ab +5b
= 3ab - 7ab -2a2-5a2 -2b + 5b
= - 4ab - 7 a2 +3b
2. b(6-a) - a (b-5)
6b - ab - ab - 5a
6b - 2ab -5a
3. ( 3y2+ 5y -4 )- (8y- y2 -4 )
3y2 - y2 + 5y - 8y - 4 -4
2y2 - 3y - 8
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