If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + 9x + 8 = 0 Reorder the terms: 8 + 9x + 7x2 = 0 Solving 8 + 9x + 7x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 1.142857143 + 1.285714286x + x2 = 0 Move the constant term to the right: Add '-1.142857143' to each side of the equation. 1.142857143 + 1.285714286x + -1.142857143 + x2 = 0 + -1.142857143 Reorder the terms: 1.142857143 + -1.142857143 + 1.285714286x + x2 = 0 + -1.142857143 Combine like terms: 1.142857143 + -1.142857143 = 0.000000000 0.000000000 + 1.285714286x + x2 = 0 + -1.142857143 1.285714286x + x2 = 0 + -1.142857143 Combine like terms: 0 + -1.142857143 = -1.142857143 1.285714286x + x2 = -1.142857143 The x term is 1.285714286x. Take half its coefficient (0.642857143). Square it (0.4132653063) and add it to both sides. Add '0.4132653063' to each side of the equation. 1.285714286x + 0.4132653063 + x2 = -1.142857143 + 0.4132653063 Reorder the terms: 0.4132653063 + 1.285714286x + x2 = -1.142857143 + 0.4132653063 Combine like terms: -1.142857143 + 0.4132653063 = -0.7295918367 0.4132653063 + 1.285714286x + x2 = -0.7295918367 Factor a perfect square on the left side: (x + 0.642857143)(x + 0.642857143) = -0.7295918367 Can't calculate square root of the right side. The solution to this equation could not be determined.
| 3/5x+4/5=12 | | 8+3(2x-4)=-7x-6 | | -4x+2/3=4/3 | | 25-2q=5+3q | | 26-3q=10+q | | 6x+8=-34 | | 30-4q=10+q | | 5x-4=6x | | 4x+5=15x | | -4(x+2)+5x=11 | | x^2+5x+7x+35=0 | | 9/7x-3/7=-7 | | 7x-4/5=-3 | | 4/5x-2/5=-4 | | 4x^2+14x+49=0 | | 2x+5y=21 | | -7t+3t^2-40=0 | | -14x^2+59x-35=0 | | 3x+5=5x+1 | | 35y^3-80y^2-75y=0 | | 28x^3+54x^2+18x=0 | | -7x+12+x^2=0 | | 25y^2+30y+9=0 | | 4(2x+3)=2(2x+36) | | x^-1/y^-3 | | 4p^2-8p-5=0 | | 15x^2y^2+33xy^2-210y^2=0 | | (x-80)(x+5)=0 | | 1/8a-2+2-1/8a | | 36m^2-65m-36=0 | | 4x^2-28xy+13y^2=0 | | Y-(-3)=-1/2(x-(0)) |