1. Expand. .
(1) (a +2)(а- 1)
Answers
Answered by
2
Step-by-step explanation:
(a+2)(a-1)
a^2-a+2a-2
Answered by
0
Answer:
(a+2)(a-1) = (a)² + (a+2)(a-1) + (2×1)
= a² + a (2-1) + 2
= a² + 1a + 2
= a² + a + 2
your answer is = a² + a + 2
Step-by-step explanation:
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