SOLUTION: Solve: 10x^2 = 20x+30 What are the solutions to the equation? Can someone please help me with this? Thanks

SOLUTION: Solve: 10x^2 = 20x+30 What are the solutions to the equation? Can someone please help me with this? Thanks

Algebra.Com

Question 438421: Solve:
10x^2 = 20x+30
What are the solutions to the equation?
Can someone please help me with this? Thanks
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

Subtract from both sides

Divide both sides by

Now you can complete the square.
Take 1/2 of the coefficient of ,
square it, and add it to both sides

Both sides are now a perfect square

Take the square root of both sides
( this is the (+) square root)

and
(this is the (-) square root)

The solutions are and
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