2x^2+7x-4-6x^2=

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Solution for 2x^2+7x-4-6x^2= equation:


Simplifying
2x2 + 7x + -4 + -6x2 = 0

Reorder the terms:
-4 + 7x + 2x2 + -6x2 = 0

Combine like terms: 2x2 + -6x2 = -4x2
-4 + 7x + -4x2 = 0

Solving
-4 + 7x + -4x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-4 the coefficient of the squared term: 

Divide each side by '-4'.
1 + -1.75x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -1.75x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + -1.75x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -1.75x + x2 = 0 + -1
-1.75x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
-1.75x + x2 = -1

The x term is -1.75x.  Take half its coefficient (-0.875).
Square it (0.765625) and add it to both sides.

Add '0.765625' to each side of the equation.
-1.75x + 0.765625 + x2 = -1 + 0.765625

Reorder the terms:
0.765625 + -1.75x + x2 = -1 + 0.765625

Combine like terms: -1 + 0.765625 = -0.234375
0.765625 + -1.75x + x2 = -0.234375

Factor a perfect square on the left side:
(x + -0.875)(x + -0.875) = -0.234375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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