3^(2) + x = 25
9 + x = 25
x = 25 - 9
x = 16
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x = 25 / 3squared + 5
X (x - 25) So X = 0 Or X = +25
2x + 52 = 7 2x + 25 = 7 2x = 7 - 25 2x = -18 x = -18/2 x = -9
They are +/- 5*sqrt(2)
-5x2 = -75 x2 = 25 x = ±sqrt( 25 ) x = ±___