-4.9x^2+9x+500=0

Simple and best practice solution for -4.9x^2+9x+500=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 -4.9x^2+9x+500=0 equation:


Simplifying
-4.9x2 + 9x + 500 = 0

Reorder the terms:
500 + 9x + -4.9x2 = 0

Solving
500 + 9x + -4.9x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-4.9 the coefficient of the squared term: 

Divide each side by '-4.9'.
-102.0408163 + -1.836734694x + x2 = 0

Move the constant term to the right:

Add '102.0408163' to each side of the equation.
-102.0408163 + -1.836734694x + 102.0408163 + x2 = 0 + 102.0408163

Reorder the terms:
-102.0408163 + 102.0408163 + -1.836734694x + x2 = 0 + 102.0408163

Combine like terms: -102.0408163 + 102.0408163 = 0.0000000
0.0000000 + -1.836734694x + x2 = 0 + 102.0408163
-1.836734694x + x2 = 0 + 102.0408163

Combine like terms: 0 + 102.0408163 = 102.0408163
-1.836734694x + x2 = 102.0408163

The x term is -1.836734694x.  Take half its coefficient (-0.918367347).
Square it (0.8433985840) and add it to both sides.

Add '0.8433985840' to each side of the equation.
-1.836734694x + 0.8433985840 + x2 = 102.0408163 + 0.8433985840

Reorder the terms:
0.8433985840 + -1.836734694x + x2 = 102.0408163 + 0.8433985840

Combine like terms: 102.0408163 + 0.8433985840 = 102.884214884
0.8433985840 + -1.836734694x + x2 = 102.884214884

Factor a perfect square on the left side:
(x + -0.918367347)(x + -0.918367347) = 102.884214884

Calculate the square root of the right side: 10.143185638

Break this problem into two subproblems by setting 
(x + -0.918367347) equal to 10.143185638 and -10.143185638.

Subproblem 1

x + -0.918367347 = 10.143185638 Simplifying x + -0.918367347 = 10.143185638 Reorder the terms: -0.918367347 + x = 10.143185638 Solving -0.918367347 + x = 10.143185638 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.918367347' to each side of the equation. -0.918367347 + 0.918367347 + x = 10.143185638 + 0.918367347 Combine like terms: -0.918367347 + 0.918367347 = 0.000000000 0.000000000 + x = 10.143185638 + 0.918367347 x = 10.143185638 + 0.918367347 Combine like terms: 10.143185638 + 0.918367347 = 11.061552985 x = 11.061552985 Simplifying x = 11.061552985

Subproblem 2

x + -0.918367347 = -10.143185638 Simplifying x + -0.918367347 = -10.143185638 Reorder the terms: -0.918367347 + x = -10.143185638 Solving -0.918367347 + x = -10.143185638 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.918367347' to each side of the equation. -0.918367347 + 0.918367347 + x = -10.143185638 + 0.918367347 Combine like terms: -0.918367347 + 0.918367347 = 0.000000000 0.000000000 + x = -10.143185638 + 0.918367347 x = -10.143185638 + 0.918367347 Combine like terms: -10.143185638 + 0.918367347 = -9.224818291 x = -9.224818291 Simplifying x = -9.224818291

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.061552985, -9.224818291}

See similar equations:

| 3x+23=44 | | 2e=224 | | 3X^2+5XY+Y^3=23 | | (X-9)(5X+4)= | | z(z+1)=3+2i | | 3x-20-4x=-20 | | 5e+-6e=224 | | -16+3x=-24+14x | | 10x-129=2x-9 | | -6+3x=-24+14x | | 28-6x=8-8x | | 3x+6=-24-2x | | 4+10x=-5+x | | 5x-12=13x-26 | | 5x+22=11x-74 | | -3.6r+-4.9r=153 | | mx^2-(m^2+1)+m=0 | | 2=-3x+32 | | 3x^2-15x+5=0 | | A=pir^2+pirs | | 16-21=y | | 2y-10+(5-4y)=1-(y-6) | | x=8+-1*12 | | 90=3x+12 | | 16+11y=180 | | 0.054=0.03p | | -17u=51 | | -17u=50 | | a=4a^2-2a+10 | | -9y^2+48y-63=0 | | x+6x=3+9(x-3) | | 8.6(3x+1)=17 |

Equations solver categories