mimi8734
21.01.2021 •
Mathematics
Simplify the algebraic expression 2(a + 2ab) + 4 - ab and find its value when
a = 4 and b = -2
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Ответ:
Step-by-step explanation:
2(a + 2ab) + 4 - ab
= 2a + 4ab + 4 - ab
= 3ab + 2a + 4.
When a = 4 and b = -2,
we have 3ab + 2a + 4
= 3(4)(-2) + 2(4) + 4 = -24 + 8 + 4 = -12.
Ответ:
well im going throught something and id k if its ok or not
Step-by-step explanation: