0=-4.9x^2+50x+150

Simple and best practice solution for 0=-4.9x^2+50x+150 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 0=-4.9x^2+50x+150 equation:


Simplifying
0 = -4.9x2 + 50x + 150

Reorder the terms:
0 = 150 + 50x + -4.9x2

Solving
0 = 150 + 50x + -4.9x2

Solving for variable 'x'.

Combine like terms: 0 + -150 = -150
-150 + -50x + 4.9x2 = 150 + 50x + -4.9x2 + -150 + -50x + 4.9x2

Reorder the terms:
-150 + -50x + 4.9x2 = 150 + -150 + 50x + -50x + -4.9x2 + 4.9x2

Combine like terms: 150 + -150 = 0
-150 + -50x + 4.9x2 = 0 + 50x + -50x + -4.9x2 + 4.9x2
-150 + -50x + 4.9x2 = 50x + -50x + -4.9x2 + 4.9x2

Combine like terms: 50x + -50x = 0
-150 + -50x + 4.9x2 = 0 + -4.9x2 + 4.9x2
-150 + -50x + 4.9x2 = -4.9x2 + 4.9x2

Combine like terms: -4.9x2 + 4.9x2 = 0.0
-150 + -50x + 4.9x2 = 0.0

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

Divide each side by '4.9'.
-30.6122449 + -10.20408163x + x2 = 0

Move the constant term to the right:

Add '30.6122449' to each side of the equation.
-30.6122449 + -10.20408163x + 30.6122449 + x2 = 0 + 30.6122449

Reorder the terms:
-30.6122449 + 30.6122449 + -10.20408163x + x2 = 0 + 30.6122449

Combine like terms: -30.6122449 + 30.6122449 = 0.0000000
0.0000000 + -10.20408163x + x2 = 0 + 30.6122449
-10.20408163x + x2 = 0 + 30.6122449

Combine like terms: 0 + 30.6122449 = 30.6122449
-10.20408163x + x2 = 30.6122449

The x term is -10.20408163x.  Take half its coefficient (-5.102040815).
Square it (26.03082048) and add it to both sides.

Add '26.03082048' to each side of the equation.
-10.20408163x + 26.03082048 + x2 = 30.6122449 + 26.03082048

Reorder the terms:
26.03082048 + -10.20408163x + x2 = 30.6122449 + 26.03082048

Combine like terms: 30.6122449 + 26.03082048 = 56.64306538
26.03082048 + -10.20408163x + x2 = 56.64306538

Factor a perfect square on the left side:
(x + -5.102040815)(x + -5.102040815) = 56.64306538

Calculate the square root of the right side: 7.52615874

Break this problem into two subproblems by setting 
(x + -5.102040815) equal to 7.52615874 and -7.52615874.

Subproblem 1

x + -5.102040815 = 7.52615874 Simplifying x + -5.102040815 = 7.52615874 Reorder the terms: -5.102040815 + x = 7.52615874 Solving -5.102040815 + x = 7.52615874 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.102040815' to each side of the equation. -5.102040815 + 5.102040815 + x = 7.52615874 + 5.102040815 Combine like terms: -5.102040815 + 5.102040815 = 0.000000000 0.000000000 + x = 7.52615874 + 5.102040815 x = 7.52615874 + 5.102040815 Combine like terms: 7.52615874 + 5.102040815 = 12.628199555 x = 12.628199555 Simplifying x = 12.628199555

Subproblem 2

x + -5.102040815 = -7.52615874 Simplifying x + -5.102040815 = -7.52615874 Reorder the terms: -5.102040815 + x = -7.52615874 Solving -5.102040815 + x = -7.52615874 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.102040815' to each side of the equation. -5.102040815 + 5.102040815 + x = -7.52615874 + 5.102040815 Combine like terms: -5.102040815 + 5.102040815 = 0.000000000 0.000000000 + x = -7.52615874 + 5.102040815 x = -7.52615874 + 5.102040815 Combine like terms: -7.52615874 + 5.102040815 = -2.424117925 x = -2.424117925 Simplifying x = -2.424117925

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.628199555, -2.424117925}

See similar equations:

| 2K+1N=85 | | 14=2y-16 | | -3+9x=17x+1 | | y=3x^2-24x+50 | | 0.76A=2 | | 7K+4N=320 | | (13x-56)=(7x+10) | | 3w-x-10y+6y+3x+5w= | | 2v-11=17 | | (9x+4)(x-4)=0 | | 5x^4+24x^2-5=0 | | 63=3w+15 | | 0=-6u-22 | | (8h-5)(h-7)=0 | | 4x+5(4x+3)= | | 6x+7=3x-6 | | 3-(3y-a)=-2(5-y) | | f(x)=2x^2-4x-16 | | 360=(8x-8)+(6x+4) | | 0=-4.9x^2+50x-50 | | 10b-(4b-8)=20 | | 3cos(X)+4sec(x)-8=0 | | 5x^2-54-143=0 | | 22+3(2+4)= | | 7x^2-30-73=0 | | 3(9)-3x=3 | | -4(r+8)=-57 | | 6x+19=-23 | | (7p-5)(9p+7)=0 | | 2(x+7)-34=4x-11x+4(x+1) | | 7p+9q+p+3q= | | 18-12x=-12x-18 |

Equations solver categories