(4u^2-2u-3)+(3u^2-u+4)=

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Solution for (4u^2-2u-3)+(3u^2-u+4)= equation:


Simplifying
(4u2 + -2u + -3) + (3u2 + -1u + 4) = 0

Reorder the terms:
(-3 + -2u + 4u2) + (3u2 + -1u + 4) = 0

Remove parenthesis around (-3 + -2u + 4u2)
-3 + -2u + 4u2 + (3u2 + -1u + 4) = 0

Reorder the terms:
-3 + -2u + 4u2 + (4 + -1u + 3u2) = 0

Remove parenthesis around (4 + -1u + 3u2)
-3 + -2u + 4u2 + 4 + -1u + 3u2 = 0

Reorder the terms:
-3 + 4 + -2u + -1u + 4u2 + 3u2 = 0

Combine like terms: -3 + 4 = 1
1 + -2u + -1u + 4u2 + 3u2 = 0

Combine like terms: -2u + -1u = -3u
1 + -3u + 4u2 + 3u2 = 0

Combine like terms: 4u2 + 3u2 = 7u2
1 + -3u + 7u2 = 0

Solving
1 + -3u + 7u2 = 0

Solving for variable 'u'.

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

Divide each side by '7'.
0.1428571429 + -0.4285714286u + u2 = 0

Move the constant term to the right:

Add '-0.1428571429' to each side of the equation.
0.1428571429 + -0.4285714286u + -0.1428571429 + u2 = 0 + -0.1428571429

Reorder the terms:
0.1428571429 + -0.1428571429 + -0.4285714286u + u2 = 0 + -0.1428571429

Combine like terms: 0.1428571429 + -0.1428571429 = 0.0000000000
0.0000000000 + -0.4285714286u + u2 = 0 + -0.1428571429
-0.4285714286u + u2 = 0 + -0.1428571429

Combine like terms: 0 + -0.1428571429 = -0.1428571429
-0.4285714286u + u2 = -0.1428571429

The u term is -0.4285714286u.  Take half its coefficient (-0.2142857143).
Square it (0.04591836735) and add it to both sides.

Add '0.04591836735' to each side of the equation.
-0.4285714286u + 0.04591836735 + u2 = -0.1428571429 + 0.04591836735

Reorder the terms:
0.04591836735 + -0.4285714286u + u2 = -0.1428571429 + 0.04591836735

Combine like terms: -0.1428571429 + 0.04591836735 = -0.09693877555
0.04591836735 + -0.4285714286u + u2 = -0.09693877555

Factor a perfect square on the left side:
(u + -0.2142857143)(u + -0.2142857143) = -0.09693877555

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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