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Solve x2 – 10x 25 = 35 for x.
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Solve x2 – 10x 25 = 35 for x.

User Evgeni Sergeev
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1 Answer

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x^2 - 10x + 25 = 35
x^2 - 10x + 25 - 35 = 0
x^2 - 10x - 10 = 0

x = (-(-10) \pm √((-10)^2-(4 *1 * -10)))/(2 * 1) \\ = (10 \pm√(100+40))/(2)= (10 \pm √(140))/(2) \\ = (10 \pm 2 √(35))/(2)=5 \pm √(35)
User Jimmy Lee Jones
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