What are the solutions to the equation x(x-9)=10 ?

The solutions to the equation x(x-9)=10 are x=10,x=-1

Find the zeros of x(x-9)=10

The zeros of x(x-9)=10 are x=10,x=-1

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x (x - 9) = 10

x = 10, x = - 1

Solution steps

x (x - 9) = 10

Expand

x (x - 9) : x^{2} - 9 x

x^{2} - 9 x = 10

Move

10

to the left side

x^{2} - 9 x - 10 = 0

Solve with the quadratic formula

x_{1, 2} = \frac{- ( - 9 ) \pm ( - 9 ) ^{2} - 4 \cdot 1 \cdot ( - 10 )}{2 \cdot 1}

(- 9)^{2} - 4 \cdot 1 \cdot (- 10) = 11

x_{1, 2} = \frac{- ( - 9 ) \pm 11}{2 \cdot 1}

Separate the solutions

x_{1} = \frac{- ( - 9 ) + 11}{2 \cdot 1}, x_{2} = \frac{- ( - 9 ) - 11}{2 \cdot 1}

x = \frac{- ( - 9 ) + 11}{2 \cdot 1} : 10

x = \frac{- ( - 9 ) - 11}{2 \cdot 1} : - 1

The solutions to the quadratic equation are:

x = 10, x = - 1

x, x^{2} + y^{2} + 8 x - 2 y + 17 = 0

81 x^{2} - 4 = 0

- 2 x - 5 = x^{2} - 7 x - 55

3 x^{2} - x = 0

5 x^{2} + 145 = - 60 x

What are the solutions to the equation x(x-9)=10 ?
The solutions to the equation x(x-9)=10 are x=10,x=-1
Find the zeros of x(x-9)=10
The zeros of x(x-9)=10 are x=10,x=-1