Solve with Squares

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100

^{X^2}⁼¹⁶

X=4 x=-4

100

X^-5=-4

X=1 x=-1

100

9x^2+10=91

X=3 x=-3

200

X^2=4

X=2 x=-2

200

X^2+7=88

X=9 x=-9

200

3-4x^2=-85

X=4.69 x=-4.69

300

X^2=76

X=8.717 x=-8.717

300

2x^2=144

No solutions

300

X^2-6x+9=0

X=3