If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + -8x + 9 = 0 Reorder the terms: 9 + -8x + 7x2 = 0 Solving 9 + -8x + 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'. 1.285714286 + -1.142857143x + x2 = 0 Move the constant term to the right: Add '-1.285714286' to each side of the equation. 1.285714286 + -1.142857143x + -1.285714286 + x2 = 0 + -1.285714286 Reorder the terms: 1.285714286 + -1.285714286 + -1.142857143x + x2 = 0 + -1.285714286 Combine like terms: 1.285714286 + -1.285714286 = 0.000000000 0.000000000 + -1.142857143x + x2 = 0 + -1.285714286 -1.142857143x + x2 = 0 + -1.285714286 Combine like terms: 0 + -1.285714286 = -1.285714286 -1.142857143x + x2 = -1.285714286 The x term is -1.142857143x. Take half its coefficient (-0.5714285715). Square it (0.3265306123) and add it to both sides. Add '0.3265306123' to each side of the equation. -1.142857143x + 0.3265306123 + x2 = -1.285714286 + 0.3265306123 Reorder the terms: 0.3265306123 + -1.142857143x + x2 = -1.285714286 + 0.3265306123 Combine like terms: -1.285714286 + 0.3265306123 = -0.9591836737 0.3265306123 + -1.142857143x + x2 = -0.9591836737 Factor a perfect square on the left side: (x + -0.5714285715)(x + -0.5714285715) = -0.9591836737 Can't calculate square root of the right side. The solution to this equation could not be determined.
| (x+3)(x-3)=(x+4)(x-2) | | 8s^2+s-7=0 | | 3t-3(t+1)=t+2(t+1)+1 | | 5(2)=4y+16 | | 0.3x^2+1.8x+2.4=0 | | 6(w+2)-3=3-2(w-4) | | 5(3)=4y+16 | | 2x+3/2=3x-5/4 | | 11k+2=k^2 | | 5+2z= | | 5x=4(2)+16 | | -1.5p=-75 | | 49-9=5a | | (6x+1)(x+1)=(3x-2)(2x-5) | | 0.5j=5 | | 5x=4(1)+16 | | p^2+14p=0 | | 6m=15 | | -2.4p=7.2 | | 5x=4(0)+16 | | (m+10)(m+10)=15 | | (y-5)(y-5)=20 | | -2m=16 | | x^2+9x=-3 | | 8k=-64 | | -3r=-24 | | 4x-3=5x-1 | | -3t=51 | | 48+16=32 | | 4x^2-7x+19=9x+4 | | 8m=16 | | 20v^2-17v=63 |