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Please help me!! This is really hard for me and I need a tutor to explain it to me

Please Help Me This Is Really Hard For Me And I Need A Tutor To Explain It To Me class=

Sagot :

SOLUTION

We want to find the solution of the equation

[tex]x^2=64[/tex]

This becomes

[tex]\begin{gathered} x^2=64 \\ we\text{ move the square to the other side it becomes square root, we have} \\ x=\sqrt{64}\text{ the square root sign attracts }\pm,\text{ so we have } \\ x=\pm\sqrt{64} \\ x=\pm8 \end{gathered}[/tex]

Hence the answer is

[tex]\pm8[/tex]

Note that square root of 64 is 8

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