4x(x-3)=29

Simple and best practice solution for 4x(x-3)=29 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 4x(x-3)=29 equation:


Simplifying
4x(x + -3) = 29

Reorder the terms:
4x(-3 + x) = 29
(-3 * 4x + x * 4x) = 29
(-12x + 4x2) = 29

Solving
-12x + 4x2 = 29

Solving for variable 'x'.

Reorder the terms:
-29 + -12x + 4x2 = 29 + -29

Combine like terms: 29 + -29 = 0
-29 + -12x + 4x2 = 0

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

Divide each side by '4'.
-7.25 + -3x + x2 = 0

Move the constant term to the right:

Add '7.25' to each side of the equation.
-7.25 + -3x + 7.25 + x2 = 0 + 7.25

Reorder the terms:
-7.25 + 7.25 + -3x + x2 = 0 + 7.25

Combine like terms: -7.25 + 7.25 = 0.00
0.00 + -3x + x2 = 0 + 7.25
-3x + x2 = 0 + 7.25

Combine like terms: 0 + 7.25 = 7.25
-3x + x2 = 7.25

The x term is -3x.  Take half its coefficient (-1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
-3x + 2.25 + x2 = 7.25 + 2.25

Reorder the terms:
2.25 + -3x + x2 = 7.25 + 2.25

Combine like terms: 7.25 + 2.25 = 9.5
2.25 + -3x + x2 = 9.5

Factor a perfect square on the left side:
(x + -1.5)(x + -1.5) = 9.5

Calculate the square root of the right side: 3.082207001

Break this problem into two subproblems by setting 
(x + -1.5) equal to 3.082207001 and -3.082207001.

Subproblem 1

x + -1.5 = 3.082207001 Simplifying x + -1.5 = 3.082207001 Reorder the terms: -1.5 + x = 3.082207001 Solving -1.5 + x = 3.082207001 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = 3.082207001 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = 3.082207001 + 1.5 x = 3.082207001 + 1.5 Combine like terms: 3.082207001 + 1.5 = 4.582207001 x = 4.582207001 Simplifying x = 4.582207001

Subproblem 2

x + -1.5 = -3.082207001 Simplifying x + -1.5 = -3.082207001 Reorder the terms: -1.5 + x = -3.082207001 Solving -1.5 + x = -3.082207001 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = -3.082207001 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = -3.082207001 + 1.5 x = -3.082207001 + 1.5 Combine like terms: -3.082207001 + 1.5 = -1.582207001 x = -1.582207001 Simplifying x = -1.582207001

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.582207001, -1.582207001}

See similar equations:

| 4x/4=4 | | 36x+25=1620 | | (6x+71)+(15x-23)=90 | | 36x-25=1620 | | 2y+3x=-2 | | -25k-44=k-824 | | b+244=-5b-26 | | a(x+b)+x(b-a)=2a(2a-x) | | 8+3(x-2)= | | 58/6 | | b-539=-27b-7 | | 5X-2=4X+6X | | 2z/9-8=3 | | -3x=-59/12 | | 4b+75=b-9 | | 3/2b=27 | | 5x-2x-7=0 | | 5k/8-3/4-3k/16=1/8 | | V=x(10-2x)(54-2x) | | 14c+3=c-569 | | 3(x-4)+5x=-4 | | 5/2=1.25/k | | 14c-3=c-569 | | x-318=-8x-3 | | 4x-20=x+15 | | -2(25+2d)=-30 | | 0.1x-0.1x=0.3 | | t-88=6t-3 | | x-7x/x=6 | | -5a+16+9=3a-7a | | 5(3m+2)-8m=-4 | | x-7x=56 |

Equations solver categories