Question

X squared = 49 what does x equal

Answer 1

Answer:

x = 7

x = -7

Explanation:

x² = 49

• $\bold{\mathrm{For\:}x^2=f\left(a\right)\mathrm{\:the\:solutions\:are\:}x=\sqrt{f\left(a\right)},\:\:-\sqrt{f\left(a\right)}}$

$\bold{x=\sqrt{49},\:x=-\sqrt{49}}$

√49 = 7

-√49 = -7

x = 7, x = -7

Answer 2

Answer:

$\boxed{\boxed{\sf~x=7,-7}}$

Solution Steps:

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1.) Take the square root of both sides of the equation:

• $\sqrt{x}=x$

• $\sqrt{49}=7$

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