Respuesta :

jtc895004
You have to plug in 2 for a and 6 for b.

(2)^2 + 4(2) + 7(6) 4 + 8 + 42 54
————————— = —————- = ——
5 - (2)^3 5 - 8 -3

The answer is -18.

kamrynhardythemusicl
2^2 + 4 x 2 + 7 x 6
evaluate the power
4 + 4 x 2 + 7 x 6
____________
5-2^3
multiply
4+8 +7x6
_______
5-2^3
multiply
4 + 8 + 42
_______
5-2^3
evaluate the power
4+8+42
______
5-8
find the sun of the positive numbers
54
___
5-8
find the difference
54
__
-3

reduce

-18

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