biggiecheese93
08.02.2021 •
Mathematics
Expand to write an equivalent expression -5(x - 2y)
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Ответ:
−5x+10y
Step-by-step explanation:
Ответ:
f(-5)= 90, g(7)= -3x+4
Step-by-step explanation:
First Solve f(x)
f(x)= 3×^2-3x
Plug in -5 to the x
3(5)^2-3(-5)
f(x)= 90
Then Solve g(x)
g(x)=-3x+4
Plug in the 7 in the x
g(x)=-3x+4
g(x)=17