collinazrael
Answered

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What are the solutions to the quadratic equation 4x2 + 28x = 0?

Sagot :

Answer:

x is 0 or -7

Step-by-step explanation:

[tex]4x^{2} +28x=0\\4x(x} +7)=0\\4x=0 x=0\\x+7=0\\x=-7[/tex]

Answer:

x = {-7, 0}

Step-by-step explanation:

4x^2 + 28x = 0

Divide both sides by 4

x^2 + 7x = 0

Factor out x

x(x + 7) = 0

---------------------------

From the zero product rule

x = 0

and

x + 7 = 0

subtract 7 from both sides

x = -7

x = {-7, 0}

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