If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 0.07x2 + -0.05x + 30 = 0 Reorder the terms: 30 + -0.05x + 0.07x2 = 0 Solving 30 + -0.05x + 0.07x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 0.07 the coefficient of the squared term: Divide each side by '0.07'. 428.5714286 + -0.7142857143x + x2 = 0 Move the constant term to the right: Add '-428.5714286' to each side of the equation. 428.5714286 + -0.7142857143x + -428.5714286 + x2 = 0 + -428.5714286 Reorder the terms: 428.5714286 + -428.5714286 + -0.7142857143x + x2 = 0 + -428.5714286 Combine like terms: 428.5714286 + -428.5714286 = 0.0000000 0.0000000 + -0.7142857143x + x2 = 0 + -428.5714286 -0.7142857143x + x2 = 0 + -428.5714286 Combine like terms: 0 + -428.5714286 = -428.5714286 -0.7142857143x + x2 = -428.5714286 The x term is -0.7142857143x. Take half its coefficient (-0.3571428572). Square it (0.1275510204) and add it to both sides. Add '0.1275510204' to each side of the equation. -0.7142857143x + 0.1275510204 + x2 = -428.5714286 + 0.1275510204 Reorder the terms: 0.1275510204 + -0.7142857143x + x2 = -428.5714286 + 0.1275510204 Combine like terms: -428.5714286 + 0.1275510204 = -428.4438775796 0.1275510204 + -0.7142857143x + x2 = -428.4438775796 Factor a perfect square on the left side: (x + -0.3571428572)(x + -0.3571428572) = -428.4438775796 Can't calculate square root of the right side. The solution to this equation could not be determined.
| 3/2-2/7 | | 15x-11=11x+9 | | 1785=t-[-836] | | Sin*(3x+2)=cos*(4x-10) | | 11y-17=7y+15 | | s/4=200 | | 2(3+x)=15 | | y-19=9 | | 4(8x+5)=14x+20 | | 14-w/d=3w/4-21 | | 9p-8=7p+10 | | 4s=80 | | 4x-3=9+x | | 5(c-0.15)=2.15 | | 8p-19=6p+7 | | -2(-3-4)y=-10 | | -(2x-4)=2(4-5x) | | 10y-5=7y+4 | | 10/8=150/x | | 18=7x+5-1 | | 3(2-y)+3=2(y+2)+8 | | 3(y-2)+3=2(y+2)+8 | | 15=m+[-9] | | 6y-8=2y+16 | | 9+6x+3=6x+12 | | -12=-4x+6x | | F-10=4 | | 6y+2y-8=16 | | g(8)=2y+7 | | s/4= | | 4x^3-60x^2+224x= | | 2v-5v=-18 |