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muminat
3 years ago
11

Evaluate 3(x-4)+2x-x^2 for x=5

Mathematics
2 answers:
ss7ja [257]3 years ago
7 0

Answer:

Step-by-step explanation:

3(x-4)+2x-x^2 first you should eliminate the parentheses

3x-12+2x-x^2 now replace x for 5

3(5)-12+2(5)-(5)^2

15-12+10-25

-12

MA_775_DIABLO [31]3 years ago
4 0

Answer:

-12

Step-by-step explanation:

3(x-4)+2x^2

when x =5 , sub 5 into x

3(5-4)+2(5)-(5)^2

=15-12+10-25

=-12

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