What are the solutions to the equation 2a^2-6a-24=-4 ?

The solutions to the equation 2a^2-6a-24=-4 are a=5,a=-2

Find the zeros of 2a^2-6a-24=-4

The zeros of 2a^2-6a-24=-4 are a=5,a=-2

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2 a^{2} - 6 a - 24 = - 4

a = 5, a = - 2

Solution steps

2 a^{2} - 6 a - 24 = - 4

Move

4

to the left side

2 a^{2} - 6 a - 20 = 0

Solve with the quadratic formula

a_{1, 2} = \frac{- ( - 6 ) \pm ( - 6 ) ^{2} - 4 \cdot 2 ( - 20 )}{2 \cdot 2}

(- 6)^{2} - 4 \cdot 2 (- 20) = 14

a_{1, 2} = \frac{- ( - 6 ) \pm 14}{2 \cdot 2}

Separate the solutions

a_{1} = \frac{- ( - 6 ) + 14}{2 \cdot 2}, a_{2} = \frac{- ( - 6 ) - 14}{2 \cdot 2}

a = \frac{- ( - 6 ) + 14}{2 \cdot 2} : 5

a = \frac{- ( - 6 ) - 14}{2 \cdot 2} : - 2

The solutions to the quadratic equation are:

a = 5, a = - 2

2 x^{2} + 4 x - 11 = 0

4 x^{2} + 36 x + 72

\frac{( 3 \cdot 1 0 ^{4} ) ( 5 \cdot 1 0 ^{- 2} )}{2 \cdot 1 0 ^{5}}

∣ 5 y - 8 ∣ = ∣ 8 - 5 y ∣

37 = - 3 + 5 (x + 6)

What are the solutions to the equation 2a^2-6a-24=-4 ?
The solutions to the equation 2a^2-6a-24=-4 are a=5,a=-2
Find the zeros of 2a^2-6a-24=-4
The zeros of 2a^2-6a-24=-4 are a=5,a=-2