3z^2+2z=4z-5

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Solution for 3z^2+2z=4z-5 equation:


Simplifying
3z2 + 2z = 4z + -5

Reorder the terms:
2z + 3z2 = 4z + -5

Reorder the terms:
2z + 3z2 = -5 + 4z

Solving
2z + 3z2 = -5 + 4z

Solving for variable 'z'.

Reorder the terms:
5 + 2z + -4z + 3z2 = -5 + 4z + 5 + -4z

Combine like terms: 2z + -4z = -2z
5 + -2z + 3z2 = -5 + 4z + 5 + -4z

Reorder the terms:
5 + -2z + 3z2 = -5 + 5 + 4z + -4z

Combine like terms: -5 + 5 = 0
5 + -2z + 3z2 = 0 + 4z + -4z
5 + -2z + 3z2 = 4z + -4z

Combine like terms: 4z + -4z = 0
5 + -2z + 3z2 = 0

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

Divide each side by '3'.
1.666666667 + -0.6666666667z + z2 = 0

Move the constant term to the right:

Add '-1.666666667' to each side of the equation.
1.666666667 + -0.6666666667z + -1.666666667 + z2 = 0 + -1.666666667

Reorder the terms:
1.666666667 + -1.666666667 + -0.6666666667z + z2 = 0 + -1.666666667

Combine like terms: 1.666666667 + -1.666666667 = 0.000000000
0.000000000 + -0.6666666667z + z2 = 0 + -1.666666667
-0.6666666667z + z2 = 0 + -1.666666667

Combine like terms: 0 + -1.666666667 = -1.666666667
-0.6666666667z + z2 = -1.666666667

The z term is -0.6666666667z.  Take half its coefficient (-0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
-0.6666666667z + 0.1111111112 + z2 = -1.666666667 + 0.1111111112

Reorder the terms:
0.1111111112 + -0.6666666667z + z2 = -1.666666667 + 0.1111111112

Combine like terms: -1.666666667 + 0.1111111112 = -1.5555555558
0.1111111112 + -0.6666666667z + z2 = -1.5555555558

Factor a perfect square on the left side:
(z + -0.3333333334)(z + -0.3333333334) = -1.5555555558

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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