Question

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

A .–23
B. –10
C. 10
D. 23

Answer 1

A: -23

Explanation:

Answer 2

`{ \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}}}`