Expand.
(1) (a +2)(a - 1)
how can I solve it
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Expand.
(1) (a +2)(a - 1)
how can I solve it
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Step-by-step explanation:
→(a +2)(a - 1)
→a(a-1) + 2(a-1)
→a² -a + 2a - 2
→a²+ a - 2