If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 = 5x + -3 Reorder the terms: 7x2 = -3 + 5x Solving 7x2 = -3 + 5x Solving for variable 'x'. Reorder the terms: 3 + -5x + 7x2 = -3 + 5x + 3 + -5x Reorder the terms: 3 + -5x + 7x2 = -3 + 3 + 5x + -5x Combine like terms: -3 + 3 = 0 3 + -5x + 7x2 = 0 + 5x + -5x 3 + -5x + 7x2 = 5x + -5x Combine like terms: 5x + -5x = 0 3 + -5x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 0.4285714286 + -0.7142857143x + x2 = 0 Move the constant term to the right: Add '-0.4285714286' to each side of the equation. 0.4285714286 + -0.7142857143x + -0.4285714286 + x2 = 0 + -0.4285714286 Reorder the terms: 0.4285714286 + -0.4285714286 + -0.7142857143x + x2 = 0 + -0.4285714286 Combine like terms: 0.4285714286 + -0.4285714286 = 0.0000000000 0.0000000000 + -0.7142857143x + x2 = 0 + -0.4285714286 -0.7142857143x + x2 = 0 + -0.4285714286 Combine like terms: 0 + -0.4285714286 = -0.4285714286 -0.7142857143x + x2 = -0.4285714286 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 = -0.4285714286 + 0.1275510204 Reorder the terms: 0.1275510204 + -0.7142857143x + x2 = -0.4285714286 + 0.1275510204 Combine like terms: -0.4285714286 + 0.1275510204 = -0.3010204082 0.1275510204 + -0.7142857143x + x2 = -0.3010204082 Factor a perfect square on the left side: (x + -0.3571428572)(x + -0.3571428572) = -0.3010204082 Can't calculate square root of the right side. The solution to this equation could not be determined.
| 8-x=-12-2x | | 17x+13y=-3 | | 56b^2-23b=63 | | 2(y-2)=-23+4y-1 | | 0.3x-0.9=0.3 | | 1/3(2x-8)=8 | | 3x+8-7x=-20 | | 3m+8=-4m+1 | | 1/5+1/9(-3/2)3 | | 35x^2-56x-9=0 | | 4x+1-5x=5-(x-4) | | 4x+2+4x-2=180 | | 2v-7=-1 | | 12-7x=3x+4 | | v=3.14r^3 | | 10=6+4u | | -5.9-5.5=12.2 | | v^2=30v-29 | | v=4/3(3.14)r^3 | | 47=7x+3x-3 | | 4=x+2 | | 2(x+2)=3+9 | | 7(n+5)-2(n-4)=n-3+6-4n | | (190-y)=70 | | 7(d+1)-(1+5d)=0 | | 3x+4=-4x+32 | | (190-y)=x | | 2(7x)=5x+18 | | -(3m+2)-5m=14 | | v=(3.14)r^2(12) | | x+2+2x+3=x+x+x+x | | 21x^2-9x-4=0 |