Question

1. Expand.
(1) (a +2)(a - 1)
(4) (13 + x)(13 - x)
7
2
(7) m+
3
т
3​

Answer 1

Explanation:

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

a^2+2a-a-2

a^2+a-2

4.) (13+x)(13-x)

169+13x-13x-x^2

169-x^2

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Answer 2

Answer:

1. a²+ a - 2

2. m² + 2m - 24

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