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 + -18 = -8 Reorder the terms: -18 + 5x + -7x2 = -8 Solving -18 + 5x + -7x2 = -8 Solving for variable 'x'. Reorder the terms: -18 + 8 + 5x + -7x2 = -8 + 8 Combine like terms: -18 + 8 = -10 -10 + 5x + -7x2 = -8 + 8 Combine like terms: -8 + 8 = 0 -10 + 5x + -7x2 = 0 Begin completing the square. Divide all terms by -7 the coefficient of the squared term: Divide each side by '-7'. 1.428571429 + -0.7142857143x + x2 = 0 Move the constant term to the right: Add '-1.428571429' to each side of the equation. 1.428571429 + -0.7142857143x + -1.428571429 + x2 = 0 + -1.428571429 Reorder the terms: 1.428571429 + -1.428571429 + -0.7142857143x + x2 = 0 + -1.428571429 Combine like terms: 1.428571429 + -1.428571429 = 0.000000000 0.000000000 + -0.7142857143x + x2 = 0 + -1.428571429 -0.7142857143x + x2 = 0 + -1.428571429 Combine like terms: 0 + -1.428571429 = -1.428571429 -0.7142857143x + x2 = -1.428571429 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 = -1.428571429 + 0.1275510204 Reorder the terms: 0.1275510204 + -0.7142857143x + x2 = -1.428571429 + 0.1275510204 Combine like terms: -1.428571429 + 0.1275510204 = -1.3010204086 0.1275510204 + -0.7142857143x + x2 = -1.3010204086 Factor a perfect square on the left side: (x + -0.3571428572)(x + -0.3571428572) = -1.3010204086 Can't calculate square root of the right side. The solution to this equation could not be determined.
| x*4-2x*3=-10 | | -0.8889=-8/9x+8 | | y+7=2x | | 4x^2+9x+0=0 | | 100=1.5x+x | | y=-8/9*0+8 | | (a+2+3)*(a+3)=a*(a+2)+105 | | y=-8/9x+8 | | 9.7=6ln(1.8)(1.8x) | | 1200(1.02x^8)= | | x+(x-2.32)=119.56 | | 10=5x^2-7x+4 | | (x+2+3)*(x+3)=105 | | 15=5x^2-7x+4 | | 2.50x=0 | | x*x+8x=90 | | 5a^2=8 | | 3(t^2-2t+8)=0 | | 7x^2-9=509 | | 5x^2-7x+4=10 | | y=2x^2+8x-4 | | (.5)x(3x+5)=69 | | 6x+7=-84-7 | | 3(2n+8)=36 | | -10x+2*0=-20 | | (4-2x)+2-7= | | (7w-3)(8w+5)= | | 82n-47=157 | | 3x+-8=5x-20 | | 9/x-2*7/x-5 | | 3(1-2x)+4=2(5-x)-4x | | y=-3/4(-0.75)+6 |