simplify :- (y-25) (y-10)
using identity 4=(X+a)(X+b)=x²+(a+b)X+ab
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Answer:
y² -35y + 250
Step-by-step explanation:
(y-25) (y-10)
=(y × y) + [(-25)+(-10)]y + (-25)×(-10)
= y² + (-35)y + 250
= y² -35y + 250
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