9x^2+4x-7=x(4+9x)-7

Simple and best practice solution for 9x^2+4x-7=x(4+9x)-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 9x^2+4x-7=x(4+9x)-7 equation: 


Simplifying
9x2 + 4x + -7 = x(4 + 9x) + -7

Reorder the terms:
-7 + 4x + 9x2 = x(4 + 9x) + -7
-7 + 4x + 9x2 = (4 * x + 9x * x) + -7
-7 + 4x + 9x2 = (4x + 9x2) + -7

Reorder the terms:
-7 + 4x + 9x2 = -7 + 4x + 9x2

Add '7' to each side of the equation.
-7 + 4x + 7 + 9x2 = -7 + 4x + 7 + 9x2

Reorder the terms:
-7 + 7 + 4x + 9x2 = -7 + 4x + 7 + 9x2

Combine like terms: -7 + 7 = 0
0 + 4x + 9x2 = -7 + 4x + 7 + 9x2
4x + 9x2 = -7 + 4x + 7 + 9x2

Reorder the terms:
4x + 9x2 = -7 + 7 + 4x + 9x2

Combine like terms: -7 + 7 = 0
4x + 9x2 = 0 + 4x + 9x2
4x + 9x2 = 4x + 9x2

Add '-4x' to each side of the equation.
4x + -4x + 9x2 = 4x + -4x + 9x2

Combine like terms: 4x + -4x = 0
0 + 9x2 = 4x + -4x + 9x2
9x2 = 4x + -4x + 9x2

Combine like terms: 4x + -4x = 0
9x2 = 0 + 9x2
9x2 = 9x2

Add '-9x2' to each side of the equation.
9x2 + -9x2 = 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
0 = 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

See similar equations:

| x/3-1=-4 | | 6x^2-12x+6y^2+36y-36=0 | | x/5+4=-2 | | 4x+5=-34-9 | | 4ln(x-4)=20 | | x/2+2=22 | | 6x+4=-74 | | 1/6r=1/3r-3 | | 4x+11=87 | | 2y+3y=12-x | | 3x-2=12x-60 | | 7/5-i | | 3(9x+2)-9=11(3-x)+2x | | (x+6*10)*0,5+2*6=48 | | 4/9x13/12 | | 2(3x+2)=21 | | 5s=300 | | (x+6*10)/2+2*6=48 | | 4+5lnx=11 | | 10x+6=6x+6x+18 | | M/6=m/12+1/2 | | .3c-8.5=1+1.7c | | x=17.8+-1.7y | | 3.2=7.1x+10.2 | | 2(3x+2)=28 | | 3+h=8 | | 5(2x+1)=3(x+4)-5 | | 3p-9-7p=3-2(2p-3) | | 3x+9=2x+8+x+1 | | 2x+42=4 | | 64-5x=4x+15 | | 5y^2-8=12 |

Equations solver categories