If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12x^2-15x=3(4x+15x)
We move all terms to the left:
12x^2-15x-(3(4x+15x))=0
We add all the numbers together, and all the variables
12x^2-15x-(3(+19x))=0
We calculate terms in parentheses: -(3(+19x)), so:We add all the numbers together, and all the variables
3(+19x)
We multiply parentheses
57x
Back to the equation:
-(57x)
12x^2-72x=0
a = 12; b = -72; c = 0;
Δ = b2-4ac
Δ = -722-4·12·0
Δ = 5184
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$\sqrt{\Delta}=\sqrt{5184}=72$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-72)-72}{2*12}=\frac{0}{24} =0 $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-72)+72}{2*12}=\frac{144}{24} =6 $
| 3s*3s+6s+2=0 | | 2(-2y+7)=18 | | 25-n=200 | | 0.4x-5=7 | | 3x+2=2x+2*(x+3) | | 30x+10=30 | | -1=0.5x+9 | | 2x-30=42x-90 | | x+x/2+x=75 | | 5^3x-5^2x=5 | | 3x+2=2x+2*x+3 | | 2w-9.3=0.8w+5.1 | | 2x+x/2+x=75 | | -14x-13=111 | | 5(2x-8)-2=5(x-3)+8 | | 5^3x-4=5^2x+1 | | 2x-90=x-79 | | 12x=204= | | 2x-46=18 | | 5(2x-8-2=5(x-3)+8 | | 1/4(20d+12)=d+7 | | -14x-17=-45 | | 8x=120= | | x+0.2x=0.7 | | 2(x^2)+2x-399=0 | | 16+2n=3n | | 1/2b+3+3/2b=11+2b | | 4(5x+2)=-3(5x-4) | | 100×x=1.5137 | | 2(5x+1)=-4(5x-2)-5x | | x+x+x+x-12=120 | | -2p^2+4p+2=0 |