(x+3)(x-3)-x^2=27

Simple and best practice solution for (x+3)(x-3)-x^2=27 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+3)(x-3)-x^2=27 equation: 


Simplifying
(x + 3)(x + -3) + -1x2 = 27

Reorder the terms:
(3 + x)(x + -3) + -1x2 = 27

Reorder the terms:
(3 + x)(-3 + x) + -1x2 = 27

Multiply (3 + x) * (-3 + x)
(3(-3 + x) + x(-3 + x)) + -1x2 = 27
((-3 * 3 + x * 3) + x(-3 + x)) + -1x2 = 27
((-9 + 3x) + x(-3 + x)) + -1x2 = 27
(-9 + 3x + (-3 * x + x * x)) + -1x2 = 27
(-9 + 3x + (-3x + x2)) + -1x2 = 27

Combine like terms: 3x + -3x = 0
(-9 + 0 + x2) + -1x2 = 27
(-9 + x2) + -1x2 = 27

Combine like terms: x2 + -1x2 = 0
-9 + 0 = 27
-9 = 27

Solving
-9 = 27

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

See similar equations:

| 83t-125=57.6 | | 9x-(4-2x)= | | 4/5(y)=16 | | y=9x^2+x-10 | | x^2+4kx+k=0 | | 3.5y-10=4 | | x-(x*0.05)=1337 | | (x+3)(x+3)-x^2=27 | | 0.4(25x-35)=0.63(16x-24) | | 174x+53.5=10 | | -28=4(y-4)-8y | | f(x)=-34x-8 | | 2(x+5)=78 | | 4x+5=X+24 | | Senx.Cosx=1/2 | | 2x+5.3=0 | | 5s-4s=27 | | 8x+2-5x=3x+2 | | -12a/6=8 | | 9(x+6)+7(x+6)=6x-6 | | 4x(x-5)+16=16+5x(x-2) | | 7(x+1)+4(x+1)=6x-6 | | x*x+x*1+2*x+2*1= | | 6x/9=9 | | 7*=1/49 | | 4x+9+2-9=90 | | 2(3x-2)-(x-3)=9 | | 3(m-3)+2(m-3)=2m-3 | | 2x-9=4x+9 | | a=3b=6 | | X-(X*0.05)=481 | | 4(x-1)+3(2x+2)=36 |

Equations solver categories