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(a +2)(a - 1)
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8
Answer:
a^2 + a - 2
Step-by-step explanation:
(a+2)(a-1)
=> a(a-1) + 2(a-1)
=> a^2 - a + 2a - 2
=> a^2 + a -2
Answered by
37
a² + a - 2
( a + 2 ) ( a - 1 )
~ a ( a - 1 ) + 2 ( a - 1 )
~ a² - a + 2a - 2
~ a² + a - 2
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