(a+2)(a-1) expand it please fast
Answers
Answered by
45
we will use identity IV : (x+a)(x+b)
=(x square) +(a+b)x+ab
so,
(a+2)(a-1)
=a square+(2-1)a -2
=a square +a-2
=(x square) +(a+b)x+ab
so,
(a+2)(a-1)
=a square+(2-1)a -2
=a square +a-2
faizan2829:
I did not understand your answer
Answered by
0
The require answer is .
As per the question we need to expand the (a+2)(a-1)
we will use identity IV : (x+a)(x+b)
so,
(a+2)(a-1)
=
=
Hence the require answer is .
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