Question

(y-3)2_-(y+5)2_
find the value​

Answer 1

Answer:

Hence, -16 is the answer....

Answer 2

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Answer with Explanation:

IF  WE  ARE  ASKED  FOR  VALUE OF y THEN SEE THIS SOLUTION↓

(y-3)²-(y-5)²=0

→(y-3+y-5)(y-3-y+5)=0   [a²-b²=(a+b)(a-b)]

→(2y-15)(2)=0

→(2y-15)=0

→2y=15

→y=15/2

IF  WE  ARE  ASKED  FOR  VALUE  OF  (y-3)²-(y-5)² THEN SEE THIS  SOLUTION↓

(y-3)²-(y-5)²

=(y-3+y-5)(y-3-y+5)   [a²-b²=(a+b)(a-b)]

=(2y-15)(2) = 4y-30

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