SOLUTION: Evaluate 4x^2+3 when x=5 Evaluate 2a-3 when x=-5 Evaluate -2a+6b when a=6 and b=-3

Algebra ->  Average -> SOLUTION: Evaluate 4x^2+3 when x=5 Evaluate 2a-3 when x=-5 Evaluate -2a+6b when a=6 and b=-3       Log On


   

Question 894627: Evaluate 4x^2+3 when x=5
Evaluate 2a-3 when x=-5
Evaluate -2a+6b when a=6 and b=-3
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate 4x^2+3 when x=5
Sub 5 for x
= 4*5^2+3
= 4*25+3
= 103
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The others are similar.
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Evaluate 2a-3 when x=-5
Evaluate -2a+6b when a=6 and b=-3