Question

Find the value of the expression below for x = 10.

x2 - 2(x + 5)

Answer 1

Therefore, the value of the expression for x = 10 is 70.

Explanation:

Substitute x = 10 into the expression:

10² - 2(10 + 5)

= 100 - 2(15)

= 100 - 30

= 70

Therefore, the value of the expression for x = 10 is 70.