Question

simplify and expression ( {a}^{2} + {b}^{2} + 2ab) + ( {a}^{2} + {b}^{2} - 2ab) simplify and expression(a2+b2++2ab)+(a2+b2−2ab)
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Answer 1

Answer:

add the following expression column wise x2square- y2square -2,2y2square-3xy-3x2square,2-5x2square-y2square and 3x2square+3y2square+xy