5x^2-21z+4=0

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Solution for 5x^2-21z+4=0 equation:


Simplifying
5x2 + -21z + 4 = 0

Reorder the terms:
4 + 5x2 + -21z = 0

Solving
4 + 5x2 + -21z = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + 5x2 + -4 + -21z = 0 + -4

Reorder the terms:
4 + -4 + 5x2 + -21z = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 5x2 + -21z = 0 + -4
5x2 + -21z = 0 + -4

Combine like terms: 0 + -4 = -4
5x2 + -21z = -4

Add '21z' to each side of the equation.
5x2 + -21z + 21z = -4 + 21z

Combine like terms: -21z + 21z = 0
5x2 + 0 = -4 + 21z
5x2 = -4 + 21z

Divide each side by '5'.
x2 = -0.8 + 4.2z

Simplifying
x2 = -0.8 + 4.2z

Reorder the terms:
0.8 + x2 + -4.2z = -0.8 + 4.2z + 0.8 + -4.2z

Reorder the terms:
0.8 + x2 + -4.2z = -0.8 + 0.8 + 4.2z + -4.2z

Combine like terms: -0.8 + 0.8 = 0.0
0.8 + x2 + -4.2z = 0.0 + 4.2z + -4.2z
0.8 + x2 + -4.2z = 4.2z + -4.2z

Combine like terms: 4.2z + -4.2z = 0.0
0.8 + x2 + -4.2z = 0.0

The solution to this equation could not be determined.

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