457=3.5x^2-32.9x+975

Simple and best practice solution for 457=3.5x^2-32.9x+975 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 457=3.5x^2-32.9x+975 equation:


Simplifying
457 = 3.5x2 + -32.9x + 975

Reorder the terms:
457 = 975 + -32.9x + 3.5x2

Solving
457 = 975 + -32.9x + 3.5x2

Solving for variable 'x'.

Combine like terms: 457 + -975 = -518
-518 + 32.9x + -3.5x2 = 975 + -32.9x + 3.5x2 + -975 + 32.9x + -3.5x2

Reorder the terms:
-518 + 32.9x + -3.5x2 = 975 + -975 + -32.9x + 32.9x + 3.5x2 + -3.5x2

Combine like terms: 975 + -975 = 0
-518 + 32.9x + -3.5x2 = 0 + -32.9x + 32.9x + 3.5x2 + -3.5x2
-518 + 32.9x + -3.5x2 = -32.9x + 32.9x + 3.5x2 + -3.5x2

Combine like terms: -32.9x + 32.9x = 0.0
-518 + 32.9x + -3.5x2 = 0.0 + 3.5x2 + -3.5x2
-518 + 32.9x + -3.5x2 = 3.5x2 + -3.5x2

Combine like terms: 3.5x2 + -3.5x2 = 0.0
-518 + 32.9x + -3.5x2 = 0.0

Begin completing the square.  Divide all terms by
-3.5 the coefficient of the squared term: 

Divide each side by '-3.5'.
148 + -9.4x + x2 = 0

Move the constant term to the right:

Add '-148' to each side of the equation.
148 + -9.4x + -148 + x2 = 0 + -148

Reorder the terms:
148 + -148 + -9.4x + x2 = 0 + -148

Combine like terms: 148 + -148 = 0
0 + -9.4x + x2 = 0 + -148
-9.4x + x2 = 0 + -148

Combine like terms: 0 + -148 = -148
-9.4x + x2 = -148

The x term is -9.4x.  Take half its coefficient (-4.7).
Square it (22.09) and add it to both sides.

Add '22.09' to each side of the equation.
-9.4x + 22.09 + x2 = -148 + 22.09

Reorder the terms:
22.09 + -9.4x + x2 = -148 + 22.09

Combine like terms: -148 + 22.09 = -125.91
22.09 + -9.4x + x2 = -125.91

Factor a perfect square on the left side:
(x + -4.7)(x + -4.7) = -125.91

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| x+6=2x+7 | | -0.2x+1.2x=0 | | 4x(x-2)+11-4=2x+3 | | 6x^2+x-42=0 | | -0.2x+1.2=0 | | ln(4x)-3ln(x)=2 | | 8+5x=-2x+71 | | x-8/6=x+12/9 | | (x+1)(x-3)+(x+1)(2x+4)=0 | | (6-3m)(3)= | | a-2/5=-37/30 | | y^2-8y+2x+10=0 | | V=(x)(x-6)(x-2) | | y^2-8y+2x-10=0 | | x-8/6=x+2/9 | | 0.0765t^2-0.884t+1.874=0 | | 5x=10x-35 | | x-0.3x=150 | | X^2-8y+2x-10=0 | | (y^1-y^2)=4(X^1-x^2) | | 3y-y=60 | | 0.0765t^2-0.884t+1.874t=0 | | L=a+(n-1) | | 180x=60 | | r-10=7 | | 3x+21=2x | | 1/2x=-13 | | y=6-2+6 | | -21x+3y=7 | | 50x=25 | | (2x^3y^-2/x^2y^5)^-2 | | 50x=26 |

Equations solver categories