verify RHS and LSH
(n+y)²=n²+2xy+y² ; n=2, y=-3
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Step-by-step explanation:
(n+y)²=n²+2ny+y² ; n=2, y=-3
(2+(-3))²= 2²+2×2×(-3) +(-3)²
(-1)² = 4-12+9
1 = 13-12
1 = 1
LHS=RSH
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