Question

What is the value of the expression shown below when x=7?

3x2-2x+3
a.31
b.50
c.136
d.164

Answer 1

c.136

Explanation:

3x² - 2x + 3 x = 7

= 3(7)² - 2(7) + 3

= 3(49) - 14 + 3

= 147 - 11

= 136

So, the answer is c.136