3x(3x+1)=5(2x-7)

Simple and best practice solution for 3x(3x+1)=5(2x-7) 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(3x+1)=5(2x-7) equation:


Simplifying
3x(3x + 1) = 5(2x + -7)

Reorder the terms:
3x(1 + 3x) = 5(2x + -7)
(1 * 3x + 3x * 3x) = 5(2x + -7)
(3x + 9x2) = 5(2x + -7)

Reorder the terms:
3x + 9x2 = 5(-7 + 2x)
3x + 9x2 = (-7 * 5 + 2x * 5)
3x + 9x2 = (-35 + 10x)

Solving
3x + 9x2 = -35 + 10x

Solving for variable 'x'.

Reorder the terms:
35 + 3x + -10x + 9x2 = -35 + 10x + 35 + -10x

Combine like terms: 3x + -10x = -7x
35 + -7x + 9x2 = -35 + 10x + 35 + -10x

Reorder the terms:
35 + -7x + 9x2 = -35 + 35 + 10x + -10x

Combine like terms: -35 + 35 = 0
35 + -7x + 9x2 = 0 + 10x + -10x
35 + -7x + 9x2 = 10x + -10x

Combine like terms: 10x + -10x = 0
35 + -7x + 9x2 = 0

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

Divide each side by '9'.
3.888888889 + -0.7777777778x + x2 = 0

Move the constant term to the right:

Add '-3.888888889' to each side of the equation.
3.888888889 + -0.7777777778x + -3.888888889 + x2 = 0 + -3.888888889

Reorder the terms:
3.888888889 + -3.888888889 + -0.7777777778x + x2 = 0 + -3.888888889

Combine like terms: 3.888888889 + -3.888888889 = 0.000000000
0.000000000 + -0.7777777778x + x2 = 0 + -3.888888889
-0.7777777778x + x2 = 0 + -3.888888889

Combine like terms: 0 + -3.888888889 = -3.888888889
-0.7777777778x + x2 = -3.888888889

The x term is -0.7777777778x.  Take half its coefficient (-0.3888888889).
Square it (0.1512345679) and add it to both sides.

Add '0.1512345679' to each side of the equation.
-0.7777777778x + 0.1512345679 + x2 = -3.888888889 + 0.1512345679

Reorder the terms:
0.1512345679 + -0.7777777778x + x2 = -3.888888889 + 0.1512345679

Combine like terms: -3.888888889 + 0.1512345679 = -3.7376543211
0.1512345679 + -0.7777777778x + x2 = -3.7376543211

Factor a perfect square on the left side:
(x + -0.3888888889)(x + -0.3888888889) = -3.7376543211

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 15+30x=180 | | 6x-8=5x+15 | | -25+2c=-8(5c+9) | | 2(5z-4)-3(z-2)= | | -8(4+2k)=22 | | A=mx+bx | | y=30(4.5)+50 | | 18*1x=45.25 | | 9(3f-8)=25+6f | | 3x+6x-9=7x+5 | | 3x(4-1)=5(2x+3) | | mx(2)+2m-3=0 | | -x-4y=-5 | | -6(2z+9)=33 | | 4-3(2-8x)=0 | | -2(1-4r)=30 | | 135=15x | | 33=4+8(y-6) | | 25xy^2-16x= | | 22=-6d+5d | | 6x^9+11x^8+3x^7+9x^6-339x^5-618x^4+1032x^3+1696x^2-432x-288=0 | | 3x(4x-3)=10x-1 | | 5s+4+6=-18 | | 3t-3(t+1)=t+2(t+1)1 | | 2x(4x-3)=10x-1 | | 2x^3+3x^2+3x+1=0 | | 4(n-2)=4n-8 | | 200.5-20.5x=7.5 | | z^4-z^3-iz+i=0 | | -26=-4(7h+5) | | m+210=m+.15m | | 5-7a=-5a |

Equations solver categories