If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(5x-10)(15x-60)=0
We multiply parentheses ..
(+75x^2-300x-150x+600)=0
We get rid of parentheses
75x^2-300x-150x+600=0
We add all the numbers together, and all the variables
75x^2-450x+600=0
a = 75; b = -450; c = +600;
Δ = b2-4ac
Δ = -4502-4·75·600
Δ = 22500
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{22500}=150$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-450)-150}{2*75}=\frac{300}{150} =2 $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-450)+150}{2*75}=\frac{600}{150} =4 $
| x+45+59=180 | | 5x(4x+20)=40 | | 5(m-2)+1=4(m+3) | | –7z+13z=–12 | | 1/m2=m-2 | | 100+4q^/q=8q | | 17=–2t+39 | | 2x^2=37.21 | | 4^x+3=3^-x | | 3x+2×=90° | | 2^(3-x)*4^(2x-1)=1/16 | | 15/k=k+3 | | 140=20m | | 90=-10k | | 420.99-190=x | | 9+11=2y | | 9y-10=63 | | 3y^2/2y-1=0 | | 8y(4-5y)(4y+2)^2=0 | | 4-3k=3 | | 5x=-9x+100 | | 61/x=56/11 | | 7.8=4.3/x | | a(a+1)(a+2)=210 | | 7(1-y)=-39(y-2) | | 28=16-7y | | 28=8-7y | | 28=0-7y | | 28=-8-7y | | 14x+13=5000 | | T=4g | | 0.45y=0.009 |