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 + -4 = 0 Reorder the terms: -4 + 7x + 9x2 = 0 Solving -4 + 7x + 9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -0.4444444444 + 0.7777777778x + x2 = 0 Move the constant term to the right: Add '0.4444444444' to each side of the equation. -0.4444444444 + 0.7777777778x + 0.4444444444 + x2 = 0 + 0.4444444444 Reorder the terms: -0.4444444444 + 0.4444444444 + 0.7777777778x + x2 = 0 + 0.4444444444 Combine like terms: -0.4444444444 + 0.4444444444 = 0.0000000000 0.0000000000 + 0.7777777778x + x2 = 0 + 0.4444444444 0.7777777778x + x2 = 0 + 0.4444444444 Combine like terms: 0 + 0.4444444444 = 0.4444444444 0.7777777778x + x2 = 0.4444444444 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 = 0.4444444444 + 0.1512345679 Reorder the terms: 0.1512345679 + 0.7777777778x + x2 = 0.4444444444 + 0.1512345679 Combine like terms: 0.4444444444 + 0.1512345679 = 0.5956790123 0.1512345679 + 0.7777777778x + x2 = 0.5956790123 Factor a perfect square on the left side: (x + 0.3888888889)(x + 0.3888888889) = 0.5956790123 Calculate the square root of the right side: 0.771802444 Break this problem into two subproblems by setting (x + 0.3888888889) equal to 0.771802444 and -0.771802444.Subproblem 1
x + 0.3888888889 = 0.771802444 Simplifying x + 0.3888888889 = 0.771802444 Reorder the terms: 0.3888888889 + x = 0.771802444 Solving 0.3888888889 + x = 0.771802444 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3888888889' to each side of the equation. 0.3888888889 + -0.3888888889 + x = 0.771802444 + -0.3888888889 Combine like terms: 0.3888888889 + -0.3888888889 = 0.0000000000 0.0000000000 + x = 0.771802444 + -0.3888888889 x = 0.771802444 + -0.3888888889 Combine like terms: 0.771802444 + -0.3888888889 = 0.3829135551 x = 0.3829135551 Simplifying x = 0.3829135551Subproblem 2
x + 0.3888888889 = -0.771802444 Simplifying x + 0.3888888889 = -0.771802444 Reorder the terms: 0.3888888889 + x = -0.771802444 Solving 0.3888888889 + x = -0.771802444 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3888888889' to each side of the equation. 0.3888888889 + -0.3888888889 + x = -0.771802444 + -0.3888888889 Combine like terms: 0.3888888889 + -0.3888888889 = 0.0000000000 0.0000000000 + x = -0.771802444 + -0.3888888889 x = -0.771802444 + -0.3888888889 Combine like terms: -0.771802444 + -0.3888888889 = -1.1606913329 x = -1.1606913329 Simplifying x = -1.1606913329Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.3829135551, -1.1606913329}
| 2c+6=c | | 2c+6=c | | 12=y-x/3 | | 3x^4+21x^3=180x^2 | | 3r=r+8 | | 9-2x+5x=-3 | | 6x^2-5=2x^3 | | 17psquared+4=b | | 2(1-7x)=2(1+4x) | | -94=4x-7(2x+2) | | -3b-15=6(2+5) | | 3=x/y | | 8(a-1)+7a=16+3a | | Z/5+3=13 | | 0=9+(-1.8t) | | 4y^2=16y-16 | | 258=-6(5+6n) | | 32=x+3x-4 | | 25x^3-75x^2-250x=0 | | -5-11=-71 | | (4x^2+7x)=0 | | 3x/3-10 | | -3+4p=3p+3 | | 1/2(4x-8)=6 | | 4y-13+2y=41 | | -13=-6x-4x-3 | | -3-9x=-9 | | 18-6a=4a+12 | | -7(1+5v)=-217 | | (X+24)+(x)=90 | | 28=x+24 | | (3/x+1)=(4/x-1) |