Question

value of p is the expression x to the power 2 +3x -p equal to 3 for x= 3​

Answer 1

$find \: the \: value \: of \: p.$

$x = 3$

$2 + 3x - p = 3 \\ 2 + 3 \times 3 - p = 3 \\ 2 + 9 - p = 3$

$- p = 3 - 11 \\ - p = - 8 \\ p = 8$