7x-5=x^2+2x+1

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


Simplifying
7x + -5 = x2 + 2x + 1

Reorder the terms:
-5 + 7x = x2 + 2x + 1

Reorder the terms:
-5 + 7x = 1 + 2x + x2

Solving
-5 + 7x = 1 + 2x + x2

Solving for variable 'x'.

Reorder the terms:
-5 + -1 + 7x + -2x + -1x2 = 1 + 2x + x2 + -1 + -2x + -1x2

Combine like terms: -5 + -1 = -6
-6 + 7x + -2x + -1x2 = 1 + 2x + x2 + -1 + -2x + -1x2

Combine like terms: 7x + -2x = 5x
-6 + 5x + -1x2 = 1 + 2x + x2 + -1 + -2x + -1x2

Reorder the terms:
-6 + 5x + -1x2 = 1 + -1 + 2x + -2x + x2 + -1x2

Combine like terms: 1 + -1 = 0
-6 + 5x + -1x2 = 0 + 2x + -2x + x2 + -1x2
-6 + 5x + -1x2 = 2x + -2x + x2 + -1x2

Combine like terms: 2x + -2x = 0
-6 + 5x + -1x2 = 0 + x2 + -1x2
-6 + 5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-6 + 5x + -1x2 = 0

Factor a trinomial.
(-3 + x)(2 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {3, 2}

See similar equations:

| 1.75x=4 | | -4(9a-b)=3(5a+2b) | | -13+6x=15+5x | | 5y+56=2x-84 | | 8x^4-8x^2+1=0.5 | | 5y-56=2x+84 | | (5n-2)(2n-7)=0 | | 5n+2n=3-10n | | B+(2I)=18.45 | | 2y=4x+b | | 5y+56=2x+84 | | 2x+6+80=180 | | 8a^3-2a^2=0 | | -7x-114=-2x+36 | | 2y^3-4=8 | | y=150-3/2x | | 5(4y-1)=5y | | 8a-5=2a-29 | | 1.2m-3.6=-0.6m | | y/-2-6=6 | | 31=2x^2-1 | | 0.5x+15.5=5.5 | | 10=.6x | | -5(x+2)+3x=-5(x-3)+2 | | 3=(x-3)/(0.29) | | ln(x)=ln(4) | | 8=x^2/2 | | 60x^3-60x^2= | | 4k-2k=-12+3k-3k | | 0=x^3-x^2-81x+81 | | (3x^2y+2xy+y^3)dx+(x^2+y^2)dy=0 | | x^3/y^6 |

Equations solver categories