Question

if x = -2 find the value of 3x^2 + 5x​

Answer 1

Step-by-step explanation:

If

$x = - 2 \\ = 3 {x}^{2} + 5x \\ = 3 ({ - 2}^{2} ) + 5( - 2) \\ = 3(4) + 5( - 2) \\ = 12 - 10 \\ = 2$

Answer 2

Answer:

Step-by-step explanation:

3(-2)^2+5(-2)

12-10

2

hope it is helpful