Question

Suri solved the equation x squared = 49 and found that x=7. What error did Suri make?

Answer 1

Answer:

x = $\frac{+}{-}$ 7

Step-by-step explanation:

$x^{2}$ = 49

$\sqrt{49}$ can equal 7 or -7

7 x 7 = 49.  -7 x -7 = 49