4x^2-7x+83=0

Simple and best practice solution for 4x^2-7x+83=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 4x^2-7x+83=0 equation:


Simplifying
4x2 + -7x + 83 = 0

Reorder the terms:
83 + -7x + 4x2 = 0

Solving
83 + -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'.
20.75 + -1.75x + x2 = 0

Move the constant term to the right:

Add '-20.75' to each side of the equation.
20.75 + -1.75x + -20.75 + x2 = 0 + -20.75

Reorder the terms:
20.75 + -20.75 + -1.75x + x2 = 0 + -20.75

Combine like terms: 20.75 + -20.75 = 0.00
0.00 + -1.75x + x2 = 0 + -20.75
-1.75x + x2 = 0 + -20.75

Combine like terms: 0 + -20.75 = -20.75
-1.75x + x2 = -20.75

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 = -20.75 + 0.765625

Reorder the terms:
0.765625 + -1.75x + x2 = -20.75 + 0.765625

Combine like terms: -20.75 + 0.765625 = -19.984375
0.765625 + -1.75x + x2 = -19.984375

Factor a perfect square on the left side:
(x + -0.875)(x + -0.875) = -19.984375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 11-8a=5a-8a | | -89.27(291.88x+365.72)=438.17 | | -9x-8y=-42 | | 0=-16t^2-16t+80 | | Ln(x+5.64)=0.89 | | -5/11x=35 | | 5k-3(2k-2/3)-9=0 | | (x+2)+(2x+1)+(3x-1)=0 | | 79a/42 | | 3m^3=75m^4 | | 15+16x+5=60-4x | | 7r^2-8r-9=0 | | 2x+3=4x+y | | 3r^2-16r-7=5k^2 | | Y^4-3=y^5 | | (4xy+3y^2)dx+(2x+2y^2)dy=0 | | 4/7x=-32 | | 40-5y=7y-8 | | 7+2+11= | | P=2(3.14)r | | Y/4-3=y/5 | | n+40=11x | | P=23.14r | | 3x+3=27x-1 | | 25x^3-75x^2+49x+13=0 | | -6/7x=36 | | 5/7x=-50 | | t^2+14=9t | | 146.666x+280.345=-75.528 | | ln(x-5)+ln(x+2)=ln(2x^2-5x-25) | | 52x+1=5x+3 | | -.5x^2+25x-174=101 |

Equations solver categories