SOLUTION: Solve 7x^2 + 5x + 6 = 0 thanks.

Question 409647: Solve 7x^2 + 5x + 6 = 0
thanks.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

Solved by pluggable solver: Quadratic Formula

Let's use the quadratic formula to solve for x:

Starting with the general quadratic

the general solution using the quadratic equation is:

So lets solve ( notice , , and )

Plug in a=7, b=5, and c=6

Square 5 to get 25

Multiply to get

Combine like terms in the radicand (everything under the square root)

Simplify the square root (note: If you need help with simplifying the square root, check out this solver)

Multiply 2 and 7 to get 14

After simplifying, the quadratic has roots of

or

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