x*x+5x+7=3

Simple and best practice solution for x*x+5x+7=3 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+5x+7=3 equation:


Simplifying
x * x + 5x + 7 = 3

Multiply x * x
x2 + 5x + 7 = 3

Reorder the terms:
7 + 5x + x2 = 3

Solving
7 + 5x + x2 = 3

Solving for variable 'x'.

Reorder the terms:
7 + -3 + 5x + x2 = 3 + -3

Combine like terms: 7 + -3 = 4
4 + 5x + x2 = 3 + -3

Combine like terms: 3 + -3 = 0
4 + 5x + x2 = 0

Factor a trinomial.
(4 + x)(1 + x) = 0

Subproblem 1

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 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 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Subproblem 2

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

Solution

x = {-4, -1}

See similar equations:

| 12-62=10-5z | | 5e+1=3e+5 | | 11y-8y=24 | | 19y-18y=20 | | 42=2*x-1 | | (4n-5)*10=35 | | 5x-27+7x-26+10x-23=180 | | 6=3x/100 | | 0.15x+3.45=8 | | 5x+38=9(x+6) | | (3exp(3x)-2exp(x))/(3exp(3x)-exp(x)) | | 5(x+4)=3x+13 | | 6x+1=2+10 | | 4z+6=10 | | 3x+6=12x-10 | | b-11=87 | | x/7-4=-17 | | 66=1.2x | | 4(x+2)=6x+8-2x | | 3y^2-3x=(3x*2y)-18 | | 5x+4-x+29= | | 2y^2+14y=120 | | 285=15c | | 6x-1=4-7 | | 2x+4=10x-60 | | 64x-10=49x-3x | | 2z-5=4x+2 | | m/5-12=18 | | 3x^2-2x+7=18x^2-12x+63 | | 10=k-20 | | 18x-4=3-11 | | 6.9=-6+x |

Equations solver categories