Question

What is the value of 3x^2+4x+12 when x=-2

Answer 1

16

Explanation:

3 x -2^2 + 4 x -2 + 12

first do exponents -2 x -2 = 4

3 x 4 + 4 x -2 + 12

Next do multiplication or division from left to right

12 - 8 + 12

now do subtraction or addition from left to right

4 + 12

16

Answer 2

56 is the answer to the equation