Question

let a=b ,
multiplying both side by a
a²= ab
subtracting be from both side-
a²-b²= ab-b
(a+b)(a-b)=b(a-b)
a+b=b
b+b=b(a=b)
2b=b
2=1. was it knowledgeable​

Answer 1

Answer:

if you subtracting both sides b

${a}^{2 } - b = ab - b$

your answer is wrong

Answer 2

Answer:

(a+b)² = a²+2ab+b²

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