Question

Which value for x makes the open sentence true?

5 + 4 • x = 3^2 + x^2

A.
4

B.
2

C.
3

D.
5

Answer 1

The answer would be  x=2.

Answer 2

when x = 2

5 + 4 • 2 = 3^2 + 2^2
5 + 8 = 9 + 4
13 = 13

so answer is B. 2