What are the solutions to the equation 4x^2-16x=-15 ?

The solutions to the equation 4x^2-16x=-15 are x= 5/2 ,x= 3/2

Find the zeros of 4x^2-16x=-15

The zeros of 4x^2-16x=-15 are x= 5/2 ,x= 3/2

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4 x^{2} - 16 x = - 15

x = \frac{5}{2}, x = \frac{3}{2}

Decimal Notation

x = 2.5, x = 1.5

Solution steps

4 x^{2} - 16 x = - 15

Move

15

to the left side

4 x^{2} - 16 x + 15 = 0

Solve with the quadratic formula

x_{1, 2} = \frac{- ( - 16 ) \pm ( - 16 ) ^{2} - 4 \cdot 4 \cdot 15}{2 \cdot 4}

(- 16)^{2} - 4 \cdot 4 \cdot 15 = 4

x_{1, 2} = \frac{- ( - 16 ) \pm 4}{2 \cdot 4}

Separate the solutions

x_{1} = \frac{- ( - 16 ) + 4}{2 \cdot 4}, x_{2} = \frac{- ( - 16 ) - 4}{2 \cdot 4}

x = \frac{- ( - 16 ) + 4}{2 \cdot 4} : \frac{5}{2}

x = \frac{- ( - 16 ) - 4}{2 \cdot 4} : \frac{3}{2}

The solutions to the quadratic equation are:

x = \frac{5}{2}, x = \frac{3}{2}

r^{2} + 18 r + 56 = 0

4 x^{2} + 5 x = - 10

2 x^{2} - 9 x + 4 = 0

(x^{2} + 2 x - 2) = 0

x, \frac{z ^{2}}{2} - \frac{x ^{2}}{3} - y^{2} = 0

What are the solutions to the equation 4x^2-16x=-15 ?
The solutions to the equation 4x^2-16x=-15 are x= 5/2 ,x= 3/2
Find the zeros of 4x^2-16x=-15
The zeros of 4x^2-16x=-15 are x= 5/2 ,x= 3/2