Question

Find the value of p(x) = 3x2 + x+ 7 when x= -2​

Answer 1

Answer:

17

Step-by-step explanation:

$3 {x}^{2} + x + 7$

we have given x = -2

$= 3 ({ - 2})^{2} + ( - 2) + 7$

$= 3 \times 4 - 2 + 7$

$= 12 + 5$

$= 17$