If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + x = -5 Reorder the terms: x + 7x2 = -5 Solving x + 7x2 = -5 Solving for variable 'x'. Reorder the terms: 5 + x + 7x2 = -5 + 5 Combine like terms: -5 + 5 = 0 5 + x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 0.7142857143 + 0.1428571429x + x2 = 0 Move the constant term to the right: Add '-0.7142857143' to each side of the equation. 0.7142857143 + 0.1428571429x + -0.7142857143 + x2 = 0 + -0.7142857143 Reorder the terms: 0.7142857143 + -0.7142857143 + 0.1428571429x + x2 = 0 + -0.7142857143 Combine like terms: 0.7142857143 + -0.7142857143 = 0.0000000000 0.0000000000 + 0.1428571429x + x2 = 0 + -0.7142857143 0.1428571429x + x2 = 0 + -0.7142857143 Combine like terms: 0 + -0.7142857143 = -0.7142857143 0.1428571429x + x2 = -0.7142857143 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. 0.1428571429x + 0.25 + x2 = -0.7142857143 + 0.25 Reorder the terms: 0.25 + 0.1428571429x + x2 = -0.7142857143 + 0.25 Combine like terms: -0.7142857143 + 0.25 = -0.4642857143 0.25 + 0.1428571429x + x2 = -0.4642857143 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = -0.4642857143 Can't calculate square root of the right side. The solution to this equation could not be determined.
| x²/2 | | 7h+12=3h+15 | | 4^1/8÷5^1/2 | | 3x^2+10=5+x^2 | | N/2-3=13 | | 6-14z=-15z-1 | | K/16-3/4=3/8 | | -1-3.5v=22 | | .4m=-13 | | 10x-70=0 | | 5j=14+4j | | -1y+1=-2 | | -14k+4=-13k | | px^2+q=0 | | x+13+10x=50-x | | 12+p=3p | | -5y+3=63 | | 3(x-4)+5x=9x-27 | | 8x-1=5x-2 | | x^2+y^2+xy=0 | | 3x+2(0)=-5 | | 25-2y+9=44 | | 5c*2e= | | 3(0)+2x=-5 | | 7(0)-7x=42 | | http://media.apexlearning.com/Images/201101/04/494aafd8-f6d1-40ba-a3e1-71638ae6c70d.gif | | 7x-7(0)=42 | | -0.6(4x-0.5)-0.8=0.5(5x-18.6) | | 11+15(x-3)= | | -6xy+12y=0 | | 10w+9=99 | | X^2-27x+36=0 |
