Solve for x
x=20\sqrt{19}-40\approx 47.177978871
x=-20\sqrt{19}-40\approx -127.177978871
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x+40=20\sqrt{19} x+40=-20\sqrt{19}
Take the square root of both sides of the equation.
x+40-40=20\sqrt{19}-40 x+40-40=-20\sqrt{19}-40
Subtract 40 from both sides of the equation.
x=20\sqrt{19}-40 x=-20\sqrt{19}-40
Subtracting 40 from itself leaves 0.
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