x(6x+7)=20

Simple and best practice solution for x(6x+7)=20 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 x(6x+7)=20 equation:


Simplifying
x(6x + 7) = 20

Reorder the terms:
x(7 + 6x) = 20
(7 * x + 6x * x) = 20
(7x + 6x2) = 20

Solving
7x + 6x2 = 20

Solving for variable 'x'.

Reorder the terms:
-20 + 7x + 6x2 = 20 + -20

Combine like terms: 20 + -20 = 0
-20 + 7x + 6x2 = 0

Factor a trinomial.
(-5 + -2x)(4 + -3x) = 0

Subproblem 1

Set the factor '(-5 + -2x)' equal to zero and attempt to solve: Simplifying -5 + -2x = 0 Solving -5 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -2x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2x = 0 + 5 -2x = 0 + 5 Combine like terms: 0 + 5 = 5 -2x = 5 Divide each side by '-2'. x = -2.5 Simplifying x = -2.5

Subproblem 2

Set the factor '(4 + -3x)' equal to zero and attempt to solve: Simplifying 4 + -3x = 0 Solving 4 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3x = 0 + -4 -3x = 0 + -4 Combine like terms: 0 + -4 = -4 -3x = -4 Divide each side by '-3'. x = 1.333333333 Simplifying x = 1.333333333

Solution

x = {-2.5, 1.333333333}

See similar equations:

| 75x-x^2=900 | | 5-(m+3)=2(2m-4) | | 72+-17x+x^2=0 | | 3[2h-6]=2[2(3-h)-5] | | 4x-6=-24+7x | | 2[5-5(x-4)]=10-5x | | t=23b^13 | | y/4+8=12 | | 0.5=b^13 | | 4(6r-5)=8 | | 6x-(2x-10)=42 | | 18=b-7 | | (2x-5)(3x-1)=-7 | | 9x=3x-24 | | (x-4)(x-5)=2 | | (3x+1)(3x+7)=-9 | | 1/7(14r+28)=(r+2) | | 15-12+17-6= | | 2(z-3)-5=3(z-8) | | (A-4)(a+7)=-18 | | 22+x=37 | | 3z-5=5+z | | 5(x-2)=-3(x+3)+13 | | 7500.00+155.00x=92400.00 | | (2x-3)(2x+7)=-16 | | 9(8d-5)+5+13=12d-2 | | 5e(2x+1)=20 | | 112x-2x^2=1368 | | 5e^2x-1=20 | | 12x^2+26x+10= | | 2lnx=6.8 | | (x+3)(x+4)=30 |

Equations solver categories