If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 31x2 + 21x + 3 = 0 Reorder the terms: 3 + 21x + 31x2 = 0 Solving 3 + 21x + 31x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 31 the coefficient of the squared term: Divide each side by '31'. 0.09677419355 + 0.6774193548x + x2 = 0 Move the constant term to the right: Add '-0.09677419355' to each side of the equation. 0.09677419355 + 0.6774193548x + -0.09677419355 + x2 = 0 + -0.09677419355 Reorder the terms: 0.09677419355 + -0.09677419355 + 0.6774193548x + x2 = 0 + -0.09677419355 Combine like terms: 0.09677419355 + -0.09677419355 = 0.00000000000 0.00000000000 + 0.6774193548x + x2 = 0 + -0.09677419355 0.6774193548x + x2 = 0 + -0.09677419355 Combine like terms: 0 + -0.09677419355 = -0.09677419355 0.6774193548x + x2 = -0.09677419355 The x term is 0.6774193548x. Take half its coefficient (0.3387096774). Square it (0.1147242456) and add it to both sides. Add '0.1147242456' to each side of the equation. 0.6774193548x + 0.1147242456 + x2 = -0.09677419355 + 0.1147242456 Reorder the terms: 0.1147242456 + 0.6774193548x + x2 = -0.09677419355 + 0.1147242456 Combine like terms: -0.09677419355 + 0.1147242456 = 0.01795005205 0.1147242456 + 0.6774193548x + x2 = 0.01795005205 Factor a perfect square on the left side: (x + 0.3387096774)(x + 0.3387096774) = 0.01795005205 Calculate the square root of the right side: 0.133977804 Break this problem into two subproblems by setting (x + 0.3387096774) equal to 0.133977804 and -0.133977804.Subproblem 1
x + 0.3387096774 = 0.133977804 Simplifying x + 0.3387096774 = 0.133977804 Reorder the terms: 0.3387096774 + x = 0.133977804 Solving 0.3387096774 + x = 0.133977804 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3387096774' to each side of the equation. 0.3387096774 + -0.3387096774 + x = 0.133977804 + -0.3387096774 Combine like terms: 0.3387096774 + -0.3387096774 = 0.0000000000 0.0000000000 + x = 0.133977804 + -0.3387096774 x = 0.133977804 + -0.3387096774 Combine like terms: 0.133977804 + -0.3387096774 = -0.2047318734 x = -0.2047318734 Simplifying x = -0.2047318734Subproblem 2
x + 0.3387096774 = -0.133977804 Simplifying x + 0.3387096774 = -0.133977804 Reorder the terms: 0.3387096774 + x = -0.133977804 Solving 0.3387096774 + x = -0.133977804 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3387096774' to each side of the equation. 0.3387096774 + -0.3387096774 + x = -0.133977804 + -0.3387096774 Combine like terms: 0.3387096774 + -0.3387096774 = 0.0000000000 0.0000000000 + x = -0.133977804 + -0.3387096774 x = -0.133977804 + -0.3387096774 Combine like terms: -0.133977804 + -0.3387096774 = -0.4726874814 x = -0.4726874814 Simplifying x = -0.4726874814Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.2047318734, -0.4726874814}
| -5(-6w-3x+2)= | | (2a-3b)/(6a-10b)/(15b-10a)/(9a-15b) | | 2a-b/b-2a | | 3x+2(x-20)=305 | | -8x-3y=14 | | -(3u-2x-1)= | | -2p+3+3p=5 | | -x=6x-2 | | y=0.3x+20 | | -4(6y-9)-y=-3(y-5) | | Sin(pi/4x) | | 7/4t=-1/8 | | 10x+16=3(3x+6) | | 4-15x=20y | | (1-4u+4y)(-6)= | | .5x-5+.67x=1.17x+4 | | 4-14x=20y | | 2x-4x+7=x-3+10 | | x/4-x/5=5 | | 3/2i=0 | | 370=880(1-X) | | -11=x+11 | | 240=X(1-0.25) | | -ct+4t=6c | | 8+7n=3n+8 | | 112(2x-7)=3(8x+5) | | X^3-7x^2+2x-15=x^2+1 | | s(-2.4)andT(3.9)= | | y=-2+32 | | 2x-250=0 | | =90x+8000 | | 1+4y= |