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What is the value of 5(y+3)-3x^2 when x=4 and y=2?

A .–23
B. –10
C. 10
D. 23

User NickL
by
8.7k points

2 Answers

4 votes

Answer:

A: -23

Explanation:

User Yngve
by
8.1k points
5 votes


{ \orange{ \tt{ - 23}}}

Explanation:

Given:-

x = 4 and y = 2.

Substitute the value of x and y in this below equation.


{ \red{ \tt{5(y + 3) - {3x}^(2)}}}


{ \red{ \tt{5(2 + 3) - {3(4)}^(2)}}}


{ \red{ \tt{5(5) - 3(16)}}}


{ \red{ \tt{25 - 48}}}


= { \red{ \tt{ - 23}}}

User Metaphori
by
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