christielane20 christielane20

14-11-2020
Mathematics

contestada

Someone please solve this. If m(x)= x^3 - 5x + 7 & f(x)= 2x - 3 What does: m(-3) - f(-3)

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thitnahayal24 thitnahayal24

14-11-2020

Answer:

-2

step by step

(-3)^3-5(-3)+7-((2(-3)-3))

-27+15+7-(-6-3)

-27+15+7-(-3)

-27+15+7+3

-27+25

=-2

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