If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9x2 + 7x = -2 Reorder the terms: 7x + 9x2 = -2 Solving 7x + 9x2 = -2 Solving for variable 'x'. Reorder the terms: 2 + 7x + 9x2 = -2 + 2 Combine like terms: -2 + 2 = 0 2 + 7x + 9x2 = 0 Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. 0.2222222222 + 0.7777777778x + x2 = 0 Move the constant term to the right: Add '-0.2222222222' to each side of the equation. 0.2222222222 + 0.7777777778x + -0.2222222222 + x2 = 0 + -0.2222222222 Reorder the terms: 0.2222222222 + -0.2222222222 + 0.7777777778x + x2 = 0 + -0.2222222222 Combine like terms: 0.2222222222 + -0.2222222222 = 0.0000000000 0.0000000000 + 0.7777777778x + x2 = 0 + -0.2222222222 0.7777777778x + x2 = 0 + -0.2222222222 Combine like terms: 0 + -0.2222222222 = -0.2222222222 0.7777777778x + x2 = -0.2222222222 The x term is 0.7777777778x. Take half its coefficient (0.3888888889). Square it (0.1512345679) and add it to both sides. Add '0.1512345679' to each side of the equation. 0.7777777778x + 0.1512345679 + x2 = -0.2222222222 + 0.1512345679 Reorder the terms: 0.1512345679 + 0.7777777778x + x2 = -0.2222222222 + 0.1512345679 Combine like terms: -0.2222222222 + 0.1512345679 = -0.0709876543 0.1512345679 + 0.7777777778x + x2 = -0.0709876543 Factor a perfect square on the left side: (x + 0.3888888889)(x + 0.3888888889) = -0.0709876543 Can't calculate square root of the right side. The solution to this equation could not be determined.
| 2n^2=-16 | | 7x-116=112-5x | | v^2+4=40 | | 5x+4-2x=x-8 | | X^2+22X+1=0 | | x/-3+8=16 | | y^2=-18x | | .875n-3=.833n+12 | | -1-x=12 | | 25m^2-n^4=0 | | (9+u)(3u-2)=0 | | -x/5=-7 | | g-6/6=7/6 | | r/2+r=3 | | 5(1-x)+3(1+x)=8 | | x(x+6)=2*14 | | -3x^2+4x=-1 | | 12/x=132 | | (-1)-(-40)= | | x(x+10)=(x+2)(x+7) | | 12+7sinx=5+9cosx | | 6m+4m+8=34 | | 22/25x15/28x8/33 | | 15t^2-10t=5t | | 11w-(2-4w)=13+2(w-1) | | 10m+3m=7m+63+33+18m | | 5+11=17 | | 38+22= | | x+6=4x^2+12x+9 | | 4x+2=8x-4 | | -11/5(-5/10) | | 15y=-15 |