3x(-19x)=(-2x)+7

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Solution for 3x(-19x)=(-2x)+7 equation:


Simplifying
3x(-19x) = (-2x) + 7

Remove parenthesis around (-19x)
3x * -19x = (-2x) + 7

Reorder the terms for easier multiplication:
3 * -19x * x = (-2x) + 7

Multiply 3 * -19
-57x * x = (-2x) + 7

Multiply x * x
-57x2 = (-2x) + 7

Reorder the terms:
-57x2 = 7 + (-2x)

Solving
-57x2 = 7 + (-2x)

Solving for variable 'x'.

Reorder the terms:
-7 + (2x) + -57x2 = 7 + (-2x) + -7 + (2x)

Reorder the terms:
-7 + (2x) + -57x2 = 7 + -7 + (-2x) + (2x)

Combine like terms: 7 + -7 = 0
-7 + (2x) + -57x2 = 0 + (-2x) + (2x)
-7 + (2x) + -57x2 = (-2x) + (2x)

Combine like terms: (-2x) + (2x) = 0
-7 + (2x) + -57x2 = 0

Begin completing the square.  Divide all terms by
-57 the coefficient of the squared term: 

Divide each side by '-57'.
0.1228070175 + (-0.0350877193x) + x2 = 0

Move the constant term to the right:

Add '-0.1228070175' to each side of the equation.
0.1228070175 + (-0.0350877193x) + -0.1228070175 + x2 = 0 + -0.1228070175

Reorder the terms:
0.1228070175 + -0.1228070175 + (-0.0350877193x) + x2 = 0 + -0.1228070175

Combine like terms: 0.1228070175 + -0.1228070175 = 0.0000000000
0.0000000000 + (-0.0350877193x) + x2 = 0 + -0.1228070175
(-0.0350877193x) + x2 = 0 + -0.1228070175

Combine like terms: 0 + -0.1228070175 = -0.1228070175
(-0.0350877193x) + x2 = -0.1228070175

The x term is (-0.0350877193x).  Take half its coefficient (-0.01754385965).
Square it (0.0003077870114) and add it to both sides.

Add '0.0003077870114' to each side of the equation.
(-0.0350877193x) + 0.0003077870114 + x2 = -0.1228070175 + 0.0003077870114

Reorder the terms:
0.0003077870114 + (-0.0350877193x) + x2 = -0.1228070175 + 0.0003077870114

Combine like terms: -0.1228070175 + 0.0003077870114 = -0.1224992304886
0.0003077870114 + (-0.0350877193x) + x2 = -0.1224992304886

Factor a perfect square on the left side:
(x + -0.01754385965)(x + -0.01754385965) = -0.1224992304886

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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