Question

prove the (a-b)²=a²-2ab+b² when a =-2,b=-3​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

LHS

(a-b)²= (-2+3)²

=1

RHS

a²-2ab+b²= (-2)²-2× (-2)× (-3)+ (-3)²

= 4-12+9

=13-12

=1

LHS=RHS

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