3 years ago

3b+4b^2-a^3;a=3 and b=-5

2 answers:

8 0

Equation: 3b+4b^2-a^3
Given: a=3 & b=-5

Plug 3 in for (a) and -5 in for (b):
3(-5)+4(-5)^2-(3)^3

Now follow PEMDAS:
3(-5) + 4(-5)^2 - (3)^3
-15 + 4(-5)^2 - (3)^3
-15 + 100 - (3)^3
-15 + 100 - 27
85 - 27
58
the asnwer is 58.

kogti [31]3 years ago

8 0

Answer is 388 or its 88, hope i helped

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