x(x+1)=29-2x+1

Simple and best practice solution for x(x+1)=29-2x+1 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(x+1)=29-2x+1 equation:


Simplifying
x(x + 1) = 29 + -2x + 1

Reorder the terms:
x(1 + x) = 29 + -2x + 1
(1 * x + x * x) = 29 + -2x + 1
(1x + x2) = 29 + -2x + 1

Reorder the terms:
1x + x2 = 29 + 1 + -2x

Combine like terms: 29 + 1 = 30
1x + x2 = 30 + -2x

Solving
1x + x2 = 30 + -2x

Solving for variable 'x'.

Reorder the terms:
-30 + 1x + 2x + x2 = 30 + -2x + -30 + 2x

Combine like terms: 1x + 2x = 3x
-30 + 3x + x2 = 30 + -2x + -30 + 2x

Reorder the terms:
-30 + 3x + x2 = 30 + -30 + -2x + 2x

Combine like terms: 30 + -30 = 0
-30 + 3x + x2 = 0 + -2x + 2x
-30 + 3x + x2 = -2x + 2x

Combine like terms: -2x + 2x = 0
-30 + 3x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '30' to each side of the equation.
-30 + 3x + 30 + x2 = 0 + 30

Reorder the terms:
-30 + 30 + 3x + x2 = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 3x + x2 = 0 + 30
3x + x2 = 0 + 30

Combine like terms: 0 + 30 = 30
3x + x2 = 30

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 = 30 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 30 + 2.25

Combine like terms: 30 + 2.25 = 32.25
2.25 + 3x + x2 = 32.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 32.25

Calculate the square root of the right side: 5.678908346

Break this problem into two subproblems by setting 
(x + 1.5) equal to 5.678908346 and -5.678908346.

Subproblem 1

x + 1.5 = 5.678908346 Simplifying x + 1.5 = 5.678908346 Reorder the terms: 1.5 + x = 5.678908346 Solving 1.5 + x = 5.678908346 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 = 5.678908346 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 5.678908346 + -1.5 x = 5.678908346 + -1.5 Combine like terms: 5.678908346 + -1.5 = 4.178908346 x = 4.178908346 Simplifying x = 4.178908346

Subproblem 2

x + 1.5 = -5.678908346 Simplifying x + 1.5 = -5.678908346 Reorder the terms: 1.5 + x = -5.678908346 Solving 1.5 + x = -5.678908346 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 = -5.678908346 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -5.678908346 + -1.5 x = -5.678908346 + -1.5 Combine like terms: -5.678908346 + -1.5 = -7.178908346 x = -7.178908346 Simplifying x = -7.178908346

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.178908346, -7.178908346}

See similar equations:

| -18+12+8-26= | | x(x+1)=29 | | 6+13-19-22= | | t+21=18 | | p^2-32+s^2=0 | | p^2+32=0 | | p^2+32-s^2=0 | | c=2.24w+14.72 | | x^2+2x-99=0 | | 4s^2-9s=0 | | -4y=12 | | p=c+2b+a | | s^4+9=0 | | 5x+8=x-8 | | 49w^2-25=0 | | 8y^2-10yz-3z^2=0 | | 2x=-y+4 | | 8+(5-p)3=17 | | 15a^2+5a=0 | | 4r^2+13r-12=0 | | x+(x+13)+(2x-33)=724 | | x^2+7x+9=0 | | f=kq | | x=300*0.13*2 | | 2x=-y+3 | | a+6=2(a-6) | | 5(t-3)+7t=4(3t+9)-9 | | 6(n-2)=24 | | 2(7+x)=24 | | 12-n=2(n+3) | | -5(x+2)=20 | | 11x-12=9x+2 |

Equations solver categories