(a+b) (a-b) =
a2-b2
(a+b)(a-b)=a2-b2(a+b)(a-b)=a(a-b)+b(a-b)=a2-ab+ab-b2 =a2-b2\xa0\xa0\xa0\xa0
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a-2_b-2
a^2 – b^2
a^2 – b^2
a ka sqare -b ka square
“a” ka Square -“b” ka square
a^2-b^2
It is a formula (a+b)(a-b) = a^2-b^2Or else u can also solve the equation in a general manner . The same will be as follows(a+b)(a-b) = a*a + a*-b + a*b + b*-b=a^2-ab+ab-b^2=a^2-b^2
a ka square plus b ka square
a2-b2