Question

If x = -2, then x2-7x+10 equals
00
O 20
028

Answer 1

20, you just need to substitute the x value in the equation
(-2)2-7(-2)+10=
=20

Answer 2

28

Explanation:

x^2-7x+10

Substitute x = -2

(-2)^2 -7(-2) +10

Exponents and multiplication

4 +14+10

Add

28