25x^2+49=7x

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Solution for 25x^2+49=7x equation:


Simplifying
25x2 + 49 = 7x

Reorder the terms:
49 + 25x2 = 7x

Solving
49 + 25x2 = 7x

Solving for variable 'x'.

Reorder the terms:
49 + -7x + 25x2 = 7x + -7x

Combine like terms: 7x + -7x = 0
49 + -7x + 25x2 = 0

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

Divide each side by '25'.
1.96 + -0.28x + x2 = 0

Move the constant term to the right:

Add '-1.96' to each side of the equation.
1.96 + -0.28x + -1.96 + x2 = 0 + -1.96

Reorder the terms:
1.96 + -1.96 + -0.28x + x2 = 0 + -1.96

Combine like terms: 1.96 + -1.96 = 0.00
0.00 + -0.28x + x2 = 0 + -1.96
-0.28x + x2 = 0 + -1.96

Combine like terms: 0 + -1.96 = -1.96
-0.28x + x2 = -1.96

The x term is -0.28x.  Take half its coefficient (-0.14).
Square it (0.0196) and add it to both sides.

Add '0.0196' to each side of the equation.
-0.28x + 0.0196 + x2 = -1.96 + 0.0196

Reorder the terms:
0.0196 + -0.28x + x2 = -1.96 + 0.0196

Combine like terms: -1.96 + 0.0196 = -1.9404
0.0196 + -0.28x + x2 = -1.9404

Factor a perfect square on the left side:
(x + -0.14)(x + -0.14) = -1.9404

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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