If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + 3x + 9 = 0 Reorder the terms: 9 + 3x + 7x2 = 0 Solving 9 + 3x + 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 + 0.4285714286x + x2 = 0 Move the constant term to the right: Add '-1.285714286' to each side of the equation. 1.285714286 + 0.4285714286x + -1.285714286 + x2 = 0 + -1.285714286 Reorder the terms: 1.285714286 + -1.285714286 + 0.4285714286x + x2 = 0 + -1.285714286 Combine like terms: 1.285714286 + -1.285714286 = 0.000000000 0.000000000 + 0.4285714286x + x2 = 0 + -1.285714286 0.4285714286x + x2 = 0 + -1.285714286 Combine like terms: 0 + -1.285714286 = -1.285714286 0.4285714286x + x2 = -1.285714286 The x term is 0.4285714286x. Take half its coefficient (0.2142857143). Square it (0.04591836735) and add it to both sides. Add '0.04591836735' to each side of the equation. 0.4285714286x + 0.04591836735 + x2 = -1.285714286 + 0.04591836735 Reorder the terms: 0.04591836735 + 0.4285714286x + x2 = -1.285714286 + 0.04591836735 Combine like terms: -1.285714286 + 0.04591836735 = -1.23979591865 0.04591836735 + 0.4285714286x + x2 = -1.23979591865 Factor a perfect square on the left side: (x + 0.2142857143)(x + 0.2142857143) = -1.23979591865 Can't calculate square root of the right side. The solution to this equation could not be determined.
| X^4-4x^2=21 | | X^5+7x^2=-12x | | 5(6x+1)=-25 | | g(x)=[x+2]-4 | | 2/3×1/2 | | -7n(5n-4)=0 | | 2(5+4x)=34 | | gv-q=6h | | gj-r=4c | | 3x^3+12x-2=0 | | Y=2x^2+6x-10 | | 5.00+0.80=14.60 | | 14=24-5p | | 0.25=x/300 | | (6x^2+4y-2)-(4x^2+y-5)=C | | 5x+8=-8x+5 | | 1/3(4 | | 2-6c=-16 | | 4x^3+24x=-1 | | -4=x/10-5 | | 5(x-4)=-6 | | 8+7y-3y+2-4=0 | | n+(n+1)+(n+2)=-75 | | 1000.00+5000x=1350 | | -4x-(-24)=12 | | f^2+9f-81=9f | | 1000.00+5000x=1200 | | 10z-2+9z-3-z=0 | | 1000.00+5000=1200 | | x^2+9x-7= | | 1/x-5/2=3/2 | | 3x=106-2y |