3 years ago

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

Mathematics

1 answer:

Anastaziya [24]3 years ago

7 0

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

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