10x^2-66x+72=0

Simple and best practice solution for 10x^2-66x+72=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 10x^2-66x+72=0 equation:


Simplifying
10x2 + -66x + 72 = 0

Reorder the terms:
72 + -66x + 10x2 = 0

Solving
72 + -66x + 10x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(36 + -33x + 5x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(36 + -33x + 5x2)' equal to zero and attempt to solve: Simplifying 36 + -33x + 5x2 = 0 Solving 36 + -33x + 5x2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. 7.2 + -6.6x + x2 = 0 Move the constant term to the right: Add '-7.2' to each side of the equation. 7.2 + -6.6x + -7.2 + x2 = 0 + -7.2 Reorder the terms: 7.2 + -7.2 + -6.6x + x2 = 0 + -7.2 Combine like terms: 7.2 + -7.2 = 0.0 0.0 + -6.6x + x2 = 0 + -7.2 -6.6x + x2 = 0 + -7.2 Combine like terms: 0 + -7.2 = -7.2 -6.6x + x2 = -7.2 The x term is -6.6x. Take half its coefficient (-3.3). Square it (10.89) and add it to both sides. Add '10.89' to each side of the equation. -6.6x + 10.89 + x2 = -7.2 + 10.89 Reorder the terms: 10.89 + -6.6x + x2 = -7.2 + 10.89 Combine like terms: -7.2 + 10.89 = 3.69 10.89 + -6.6x + x2 = 3.69 Factor a perfect square on the left side: (x + -3.3)(x + -3.3) = 3.69 Calculate the square root of the right side: 1.920937271 Break this problem into two subproblems by setting (x + -3.3) equal to 1.920937271 and -1.920937271.

Subproblem 1

x + -3.3 = 1.920937271 Simplifying x + -3.3 = 1.920937271 Reorder the terms: -3.3 + x = 1.920937271 Solving -3.3 + x = 1.920937271 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.3' to each side of the equation. -3.3 + 3.3 + x = 1.920937271 + 3.3 Combine like terms: -3.3 + 3.3 = 0.0 0.0 + x = 1.920937271 + 3.3 x = 1.920937271 + 3.3 Combine like terms: 1.920937271 + 3.3 = 5.220937271 x = 5.220937271 Simplifying x = 5.220937271

Subproblem 2

x + -3.3 = -1.920937271 Simplifying x + -3.3 = -1.920937271 Reorder the terms: -3.3 + x = -1.920937271 Solving -3.3 + x = -1.920937271 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.3' to each side of the equation. -3.3 + 3.3 + x = -1.920937271 + 3.3 Combine like terms: -3.3 + 3.3 = 0.0 0.0 + x = -1.920937271 + 3.3 x = -1.920937271 + 3.3 Combine like terms: -1.920937271 + 3.3 = 1.379062729 x = 1.379062729 Simplifying x = 1.379062729

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.220937271, 1.379062729}

Solution

x = {5.220937271, 1.379062729}

See similar equations:

| -4x+83=-12x-125 | | 0.5y-2=-.25 | | 10+5(x-2)=4x+1 | | -29=5x-2(3x+10) | | 36x+24=10(x+2+2x) | | 7h-14=42 | | -4-3=0.4x-2y | | -4(x+4)=2(x-10) | | 5g+15=42 | | 314=-x+576 | | -4-3=0.4-2y | | 2(4x+6)=-13+1 | | 3(3z-1)-3(3-2Z)=12 | | x+1=-x+3 | | 19+2(2n-15)=1 | | -4=-3x+5(-x+12) | | Ln(x-4)+ln(x-1)=ln(x-8) | | lnx=-10 | | 2[x+5(6-x)+18]-10=50-10x | | 28=t+24 | | -8(-8+2p)=192 | | 3x-x+6x=17 | | 12c-4=-12c | | 12-5x=6(x+2) | | 3.4k=7.82 | | 2q-5=11 | | 225x^2-121y^2= | | 7+-3=18 | | 1-100x^2= | | (2c-1)=3c-2 | | 10+5(z-2)=-3z+3 | | 2x^3+3x^2-120=f(x) |

Equations solver categories