7x^2+14x+24=9

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Solution for 7x^2+14x+24=9 equation:


Simplifying
7x2 + 14x + 24 = 9

Reorder the terms:
24 + 14x + 7x2 = 9

Solving
24 + 14x + 7x2 = 9

Solving for variable 'x'.

Reorder the terms:
24 + -9 + 14x + 7x2 = 9 + -9

Combine like terms: 24 + -9 = 15
15 + 14x + 7x2 = 9 + -9

Combine like terms: 9 + -9 = 0
15 + 14x + 7x2 = 0

Begin completing the square.  Divide all terms by
7 the coefficient of the squared term: 

Divide each side by '7'.
2.142857143 + 2x + x2 = 0

Move the constant term to the right:

Add '-2.142857143' to each side of the equation.
2.142857143 + 2x + -2.142857143 + x2 = 0 + -2.142857143

Reorder the terms:
2.142857143 + -2.142857143 + 2x + x2 = 0 + -2.142857143

Combine like terms: 2.142857143 + -2.142857143 = 0.000000000
0.000000000 + 2x + x2 = 0 + -2.142857143
2x + x2 = 0 + -2.142857143

Combine like terms: 0 + -2.142857143 = -2.142857143
2x + x2 = -2.142857143

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = -2.142857143 + 1

Reorder the terms:
1 + 2x + x2 = -2.142857143 + 1

Combine like terms: -2.142857143 + 1 = -1.142857143
1 + 2x + x2 = -1.142857143

Factor a perfect square on the left side:
(x + 1)(x + 1) = -1.142857143

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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