tanyaballas tanyaballas

31-01-2017
Mathematics

contestada

4x^2 = 28x

Solve and explain how you arrived at the solution

Respuesta :

plague122 plague122

31-01-2017

Step 1: Subtract 28x from both sides.
4x2−28x=28x−28x4x2−28x=0
Step 2: Factor left side of equation.
4x(x−7)=0
Step 3: Set factors equal to 0.
4x=0 or x−7=0
Answer:x=0 or x=7

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