x*x=(x+3)(x-3)+9

Simple and best practice solution for x*x=(x+3)(x-3)+9 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=(x+3)(x-3)+9 equation: 



x*x=(x+3)(x-3)+9

We move all terms to the left:

x*x-((x+3)(x-3)+9)=0

We use the square of the difference formula

x^2+x*x+9=0

Wy multiply elements

x^2+x^2+9=0

We add all the numbers together, and all the variables

2x^2+9=0

a = 2; b = 0; c = +9;
Δ = b2-4ac
Δ = 02-4·2·9
Δ = -72
Delta is less than zero, so there is no solution for the equation

See similar equations:

| (1+x)^12=1+0.06 | | 2x-95=-2x+125 | | 8(x+2)=x+9 | | 1.4r^2=42 | | 3+37=x | | x2+3x+9=64 | | 0x+20=1x-70 | | 1.25+4.50=x | | 7.2x+3x=-1 | | X-5/2=7/2+1/2+x | | 12(3(x-1)=4(6(x+1) | | 3/4x=2.5 | | 2.60+0.45=x | | 3.5x+4=5.5x+10.4 | | (-3x+15)/x=0 | | (b+14)(b-10)=0 | | (p-10)(12p+1)=0 | | 7a+1+3=17 | | (11n+13)(n+13)=0 | | 4x+1=470.2x+3=0 | | 0x+x-30=-0.01x+8x-110 | | 10.58+15.35=x | | (7a+6)(11a-5)=0 | | (11n+14)(7n+3)=0 | | 0x+x-30=-0.1x+8x-110 | | (v+13)(v+7)=0 | | 3.2(1+0.2x)=-4 | | 9x+5x=3 | | 20+x=250 | | 0x+x-30=-0.1x^2+8x-110 | | X2=3m+10 | | –6(n–8)=4(12–5n)+14n. |

Equations solver categories