(7-3x)*(7-3x)=0

Simple and best practice solution for (7-3x)*(7-3x)=0 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 (7-3x)*(7-3x)=0 equation: 



(7-3x)(7-3x)=0

We add all the numbers together, and all the variables

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

We multiply parentheses ..

(+9x^2-21x-21x+49)=0

We get rid of parentheses

9x^2-21x-21x+49=0

We add all the numbers together, and all the variables

9x^2-42x+49=0

a = 9; b = -42; c = +49;
Δ = b2-4ac
Δ = -422-4·9·49
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{42}{18}=2+1/3$

See similar equations:

| 2/3y-9/5=3/5 | | 12-6x=16-4x | | x-21/2=2x+41/4 | | (7-3x)^2=0 | | 12x-9=10x+9 | | 5x-3(3-x)=21+5(2x+3) | | z^-2-15z^-1+26=0 | | x+0.5*x=52.5 | | g²+7g=144 | | 1/x=6/32 | | 2(x+3)=-4-3x | | 11y+16=30 | | 8-4x=2x+20 | | 2.4-6.6y+6.3y=5.4 | | 2(3x+1)-4/5=6 | | 5x+6=6x^2+9x | | 7z-7=6z+3 | | F(x)=-5/3x-8 | | -8=4+1/2b | | 13x+3x-35=27 | | -8=4+.5b | | 13x+3x=27 | | -5y+40=4y-32 | | Y/3=y/4+2 | | 1/2x+4=3/4(2x-8) | | x2-12x-5=7 | | -4(-5x+4)-x=7(x-2)-8 | | 4x+500=1360 | | -4y+3=27 | | 5=x/5+1 | | 2y2+7+61+y2=117 | | 7y-4=(y-2) |

Equations solver categories