Expand *( a + 2 )( a - 1 )
Answers
Answered by
69
(a+2)(a-1),
(a²-a+2a-2),
(a²+a-2)
(a²-a+2a-2),
(a²+a-2)
Answered by
39
(a+2)(a-1)
a(a-1)+2(a-1)
a^2-a+2a-2
a^2+a-2 is expansion
a(a-1)+2(a-1)
a^2-a+2a-2
a^2+a-2 is expansion
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