2x^2-60x+225=0

Simple and best practice solution for 2x^2-60x+225=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 2x^2-60x+225=0 equation:


Simplifying
2x2 + -60x + 225 = 0

Reorder the terms:
225 + -60x + 2x2 = 0

Solving
225 + -60x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
112.5 + -30x + x2 = 0

Move the constant term to the right:

Add '-112.5' to each side of the equation.
112.5 + -30x + -112.5 + x2 = 0 + -112.5

Reorder the terms:
112.5 + -112.5 + -30x + x2 = 0 + -112.5

Combine like terms: 112.5 + -112.5 = 0.0
0.0 + -30x + x2 = 0 + -112.5
-30x + x2 = 0 + -112.5

Combine like terms: 0 + -112.5 = -112.5
-30x + x2 = -112.5

The x term is -30x.  Take half its coefficient (-15).
Square it (225) and add it to both sides.

Add '225' to each side of the equation.
-30x + 225 + x2 = -112.5 + 225

Reorder the terms:
225 + -30x + x2 = -112.5 + 225

Combine like terms: -112.5 + 225 = 112.5
225 + -30x + x2 = 112.5

Factor a perfect square on the left side:
(x + -15)(x + -15) = 112.5

Calculate the square root of the right side: 10.606601718

Break this problem into two subproblems by setting 
(x + -15) equal to 10.606601718 and -10.606601718.

Subproblem 1

x + -15 = 10.606601718 Simplifying x + -15 = 10.606601718 Reorder the terms: -15 + x = 10.606601718 Solving -15 + x = 10.606601718 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + x = 10.606601718 + 15 Combine like terms: -15 + 15 = 0 0 + x = 10.606601718 + 15 x = 10.606601718 + 15 Combine like terms: 10.606601718 + 15 = 25.606601718 x = 25.606601718 Simplifying x = 25.606601718

Subproblem 2

x + -15 = -10.606601718 Simplifying x + -15 = -10.606601718 Reorder the terms: -15 + x = -10.606601718 Solving -15 + x = -10.606601718 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + x = -10.606601718 + 15 Combine like terms: -15 + 15 = 0 0 + x = -10.606601718 + 15 x = -10.606601718 + 15 Combine like terms: -10.606601718 + 15 = 4.393398282 x = 4.393398282 Simplifying x = 4.393398282

Solution

The solution to the problem is based on the solutions from the subproblems. x = {25.606601718, 4.393398282}

See similar equations:

| (8+x)+(64+8x)+(40+5x)=224 | | 36=y/2 | | x^3-9x^2+7x-63=0 | | 3u^9w^5y^4+15u^2w^6=0 | | 3.12/.4 | | n^2-4n-19=0 | | (2x-1)/21=(3x-7)/15 | | 6x+5-5x=11-20 | | x^2+8x-5x-40=0 | | 18v^9x^7-24v^3x^2y^4=0 | | 2x+10i=1 | | 2(x+4)+6=-9.7 | | 4x^2+7x-20=0 | | x(x+10)-13(x+10)=0 | | 7logx=14 | | 2x^2-3x-32=-48 | | 9x-8x^3=0 | | 10y^2+4y^3=0 | | 8y^2-16y+40=0 | | 7c+3c+3=6+4c | | 35/4(x^(3/2))-70=0 | | x+5x+6x=8 | | 35/4(x^(3/2))-70 | | 5x+15x^2=0 | | 11m^3-12m^2=0 | | 0.074/5 | | 16b+20b^3=0 | | 4x-1=2x+14 | | 6x-y=90/30 | | (-5k^2/2k^5)/((2k)^3/10k^5) | | 4a-15a^3=0 | | 3(x+5)-7-x=36 |

Equations solver categories