What are the solutions to the equation 21660=20x^2+760x ?

The solutions to the equation 21660=20x^2+760x are x=19,x=-57

Find the zeros of 21660=20x^2+760x

The zeros of 21660=20x^2+760x are x=19,x=-57

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21660 = 20 x^{2} + 760 x

x = 19, x = - 57

Solution steps

21660 = 20 x^{2} + 760 x

Switch sides

20 x^{2} + 760 x = 21660

Move

21660

to the left side

20 x^{2} + 760 x - 21660 = 0

Solve with the quadratic formula

x_{1, 2} = \frac{- 760 \pm 76 0 ^{2} - 4 \cdot 20 ( - 21660 )}{2 \cdot 20}

76 0^{2} - 4 \cdot 20 (- 21660) = 1520

x_{1, 2} = \frac{- 760 \pm 1520}{2 \cdot 20}

Separate the solutions

x_{1} = \frac{- 760 + 1520}{2 \cdot 20}, x_{2} = \frac{- 760 - 1520}{2 \cdot 20}

x = \frac{- 760 + 1520}{2 \cdot 20} : 19

x = \frac{- 760 - 1520}{2 \cdot 20} : - 57

The solutions to the quadratic equation are:

x = 19, x = - 57

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What are the solutions to the equation 21660=20x^2+760x ?
The solutions to the equation 21660=20x^2+760x are x=19,x=-57
Find the zeros of 21660=20x^2+760x
The zeros of 21660=20x^2+760x are x=19,x=-57