Question

Expand:
1. (a+2) (a-1)
2. (13+x) (13-x)
3. (m+2/3) (m-7/3)​

Answer 1

Answer:

1.(a+2)(a-1)

a(a-1)+2 (a-1)

a(a-1)-2(a-1)

a2-a +2(a-1)

a2-a +2(a-1)

a2-a +2a - 2

a2-a+ 2a-2

a2- 1a- 2

a2+a-2

So your answer is a2+a-2

2.answer-

-x+162

3.answer- is also in pic coz i am not able to type it

3m2-5m- 14

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3

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3

Hope it's helpful

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