Question

X square + 2 square

Answer 1

Heya!
$x^2 + 2^2 = x^2 + 4.....\impies x = -4 \implies x = \sqrt {-4} = +-4\\.......that's \: the \: answer.........$
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Answer 2

Heyaa
to find the value of x....
x²+2²=0
x²+4=0
x²=-4
x=+_2
Have a good day dear...