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Marat540 [252]
3 years ago
11

Solve for x in the equation x^2-10x+25=35

Mathematics
2 answers:
Mazyrski [523]3 years ago
6 0

Answer:

\text{The solution is }x=5\pm \sqrt{35}    

Step-by-step explanation:

Given the equation

x^2-10x+25=35

we have to solve the above equation for x

x^2-10x+25=35

Subtracting 35 from both sides, we get

x^2-10x-10=0

\text{Comparing above equation with }ax^2+bx+c=0

a=1, b=-10, c=-10

By quadratic formula, the solution is

x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

x=\frac{-(-10)\pm \sqrt{(-10)^2-4(1)(-10)}}{2(1)}

x=\frac{10\pm \sqrt{100+40}}{2}

x=\frac{10 \pm \sqrt{140}}{2}

x=\frac{10 \pm 2\sqrt{35}}{2}

x=5\pm \sqrt{35}

which is required solution.

yKpoI14uk [10]3 years ago
3 0
The left side of this equation is already a perfect square:    <span>x^2-10x+25=35.

Rewriting it, we get (x-5)^2 = 35.

Taking the sqrt of both sides,    x-5 = sqrt(35).

Solving for x:    x = 5 plus or minus sqrt(35)    (answers)</span>
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