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If x+3=7.5, calculate the value of x^2+3x−7. PLEASE HELPPP, im failing this class!
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If x+3=7.5, calculate the value of x^2+3x−7.
PLEASE HELPPP, im failing this class!

User David Soussan
by
8.0k points

1 Answer

7 votes

Answer:

x+3=7.5

x=7.5-3

x=4.5

x²+3x-7

=4.5²+3(4.5)-7

User Sergey Narozhny
by
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