x2+7=3x-72

Simple and best practice solution for x2+7=3x-72 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 x2+7=3x-72 equation: 



x2+7=3x-72

We move all terms to the left:

x2+7-(3x-72)=0

We add all the numbers together, and all the variables

x^2-(3x-72)+7=0

We get rid of parentheses

x^2-3x+72+7=0

We add all the numbers together, and all the variables

x^2-3x+79=0

a = 1; b = -3; c = +79;
Δ = b2-4ac
Δ = -32-4·1·79
Δ = -307
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 18(x-1)=6(2x-3)+3x | | 1/2x+2+1/3x-3=90 | | 5k-6=2+k | | 0.6/x=1.5 | | x2+2x-11.25=0 | | x^+10x-29=0 | | 6x^2+x-19=0 | | 5x-6=5(x-2) | | -5(3t-3)+2t=7t-8 | | 5t+6=8t-15 | | 9x+25=4x+15 | | 5-x=-17 | | 3x2-15=0 | | 7*(x-4)=5⋅(x-2) | | 8c+9/5=3 | | 2=6+60t-16t^2 | | 15-(42/b)=8 | | 2x+x=21+x | | -3(2x-6)+6=-6x+24 | | 2/3x+25=3/4 | | 20x=12x+80000 | | 8x-4=8(x-2) | | 3x*x-6x=45 | | 7y+4(y-5)=(y+2)-5 | | 3x²-6x=45 | | 6x2/3+5=3/48x2/3+25=3/4 | | -5(3t-3)+9t=7t-4 | | 8X+23=5x+14 | | 2x2+20x-400=0 | | X2+11x=-30 | | 3y-8=4y-5 | | 5x2+11x+2=0 |

Equations solver categories