If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 39x2 + 18x + 20 = 0 Reorder the terms: 20 + 18x + 39x2 = 0 Solving 20 + 18x + 39x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 39 the coefficient of the squared term: Divide each side by '39'. 0.5128205128 + 0.4615384615x + x2 = 0 Move the constant term to the right: Add '-0.5128205128' to each side of the equation. 0.5128205128 + 0.4615384615x + -0.5128205128 + x2 = 0 + -0.5128205128 Reorder the terms: 0.5128205128 + -0.5128205128 + 0.4615384615x + x2 = 0 + -0.5128205128 Combine like terms: 0.5128205128 + -0.5128205128 = 0.0000000000 0.0000000000 + 0.4615384615x + x2 = 0 + -0.5128205128 0.4615384615x + x2 = 0 + -0.5128205128 Combine like terms: 0 + -0.5128205128 = -0.5128205128 0.4615384615x + x2 = -0.5128205128 The x term is 0.4615384615x. Take half its coefficient (0.2307692308). Square it (0.05325443788) and add it to both sides. Add '0.05325443788' to each side of the equation. 0.4615384615x + 0.05325443788 + x2 = -0.5128205128 + 0.05325443788 Reorder the terms: 0.05325443788 + 0.4615384615x + x2 = -0.5128205128 + 0.05325443788 Combine like terms: -0.5128205128 + 0.05325443788 = -0.45956607492 0.05325443788 + 0.4615384615x + x2 = -0.45956607492 Factor a perfect square on the left side: (x + 0.2307692308)(x + 0.2307692308) = -0.45956607492 Can't calculate square root of the right side. The solution to this equation could not be determined.
| .10d+.15n*.10d-1.75q*.10=16.80 | | 4y-2x= | | 6(4s+8)=216 | | 10-2(y+3)=y+10 | | 5+11=-41-8x | | h=-16+50t+10 | | 1/4+1/5=d | | 25=11/12b=47 | | 9(-14)/[5(-9)-4(-11)]= | | 18b+126=c | | 400=2(3w)+2w | | .10d+.15n-1.75d=16.80 | | -4x-31=-3 | | .1x+(2x).8=91 | | -6(2t+5)=-66 | | -3d(a+2b-9d)= | | 230.95/31=d/40 | | -4(7h-k)= | | 5(f-10)=-45 | | 7x=3x+38 | | -2.6=3x+2.5 | | 3(a-3)=18 | | 7(3s+3)=273 | | 2x-5/3=17 | | 2n^3=250 | | 4(y+3)=86 | | 3/2x+2=0 | | .10d+(3*.05n)+(-7*.25q)=16.8 | | 7x+57=8 | | -x^3+24x+75+34x^3-36x= | | 4b+3db=-10 | | 3e(4ef-6e)= |