3x(14x-15)=-72

Simple and best practice solution for 3x(14x-15)=-72 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 3x(14x-15)=-72 equation:


Simplifying
3x(14x + -15) = -72

Reorder the terms:
3x(-15 + 14x) = -72
(-15 * 3x + 14x * 3x) = -72
(-45x + 42x2) = -72

Solving
-45x + 42x2 = -72

Solving for variable 'x'.

Reorder the terms:
72 + -45x + 42x2 = -72 + 72

Combine like terms: -72 + 72 = 0
72 + -45x + 42x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(24 + -15x + 14x2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(24 + -15x + 14x2)' equal to zero and attempt to solve: Simplifying 24 + -15x + 14x2 = 0 Solving 24 + -15x + 14x2 = 0 Begin completing the square. Divide all terms by 14 the coefficient of the squared term: Divide each side by '14'. 1.714285714 + -1.071428571x + x2 = 0 Move the constant term to the right: Add '-1.714285714' to each side of the equation. 1.714285714 + -1.071428571x + -1.714285714 + x2 = 0 + -1.714285714 Reorder the terms: 1.714285714 + -1.714285714 + -1.071428571x + x2 = 0 + -1.714285714 Combine like terms: 1.714285714 + -1.714285714 = 0.000000000 0.000000000 + -1.071428571x + x2 = 0 + -1.714285714 -1.071428571x + x2 = 0 + -1.714285714 Combine like terms: 0 + -1.714285714 = -1.714285714 -1.071428571x + x2 = -1.714285714 The x term is -1.071428571x. Take half its coefficient (-0.5357142855). Square it (0.2869897957) and add it to both sides. Add '0.2869897957' to each side of the equation. -1.071428571x + 0.2869897957 + x2 = -1.714285714 + 0.2869897957 Reorder the terms: 0.2869897957 + -1.071428571x + x2 = -1.714285714 + 0.2869897957 Combine like terms: -1.714285714 + 0.2869897957 = -1.4272959183 0.2869897957 + -1.071428571x + x2 = -1.4272959183 Factor a perfect square on the left side: (x + -0.5357142855)(x + -0.5357142855) = -1.4272959183 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| 1.9-6.4+8= | | 2-4x+2x=20 | | 6m-8=2+8n-1 | | 20x-180=140 | | 0.8z=8 | | -3i*6i-3(7+6i)=0 | | 1.5x=0.8x | | 3x^8-12x^7+18x^6= | | 4x+7-6x=7 | | 5x+90=7x+222 | | 5t+-14=-14 | | y=(3x^3)-(27x^2)+24 | | 7+7=8+6 | | -4r-3x=6X-6 | | 2.5+2.25= | | 3x-7=137+3x | | D=t+70 | | 3x+2(7x-18)=100 | | 32+0.2=1 | | 37+n=28+2n | | 9+5x-x=-31 | | -6d=-3 | | 5x+2(5x+11)=112 | | X-(9x-10)+11=12+3(-2x+1-3) | | -4p-5=-53 | | 4(x-y)=6(x-2y) | | 2x+3(4x+6)=158 | | 2(3g+4)=-52 | | m+2m-6=12m+2 | | 4-8(-2-6(-1))=x | | 3n-7=8n+13 | | -2x-(0.5x+0.5)=7 |

Equations solver categories