Question

5x + 2 = 12

then , find x^2 ?????

Answer 1

Hii...

5x = 12-2

5x = 10

x = 2

then, x^2 = 2^2 = 4 ans.

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hope this helps !

Answer 2

Hey Mate !

Here is your solution :

Given,

$5x + 2 = 12 \\ \\ 5x = 12 - 2 \\ \\ 5x = 10 \\ \\ x = \frac{10}{5} \\ \\ x = 2.$
Now,

$= x {}^{2} \\ by \: substituting \: the \: value \: of \: x \\ \\ = 2 {}^{2} \\ \\ = 4$

Hope it helps !!