If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9u2 + 4u + -7 = 0 Reorder the terms: -7 + 4u + 9u2 = 0 Solving -7 + 4u + 9u2 = 0 Solving for variable 'u'. Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -0.7777777778 + 0.4444444444u + u2 = 0 Move the constant term to the right: Add '0.7777777778' to each side of the equation. -0.7777777778 + 0.4444444444u + 0.7777777778 + u2 = 0 + 0.7777777778 Reorder the terms: -0.7777777778 + 0.7777777778 + 0.4444444444u + u2 = 0 + 0.7777777778 Combine like terms: -0.7777777778 + 0.7777777778 = 0.0000000000 0.0000000000 + 0.4444444444u + u2 = 0 + 0.7777777778 0.4444444444u + u2 = 0 + 0.7777777778 Combine like terms: 0 + 0.7777777778 = 0.7777777778 0.4444444444u + u2 = 0.7777777778 The u term is 0.4444444444u. Take half its coefficient (0.2222222222). Square it (0.04938271604) and add it to both sides. Add '0.04938271604' to each side of the equation. 0.4444444444u + 0.04938271604 + u2 = 0.7777777778 + 0.04938271604 Reorder the terms: 0.04938271604 + 0.4444444444u + u2 = 0.7777777778 + 0.04938271604 Combine like terms: 0.7777777778 + 0.04938271604 = 0.82716049384 0.04938271604 + 0.4444444444u + u2 = 0.82716049384 Factor a perfect square on the left side: (u + 0.2222222222)(u + 0.2222222222) = 0.82716049384 Calculate the square root of the right side: 0.909483641 Break this problem into two subproblems by setting (u + 0.2222222222) equal to 0.909483641 and -0.909483641.Subproblem 1
u + 0.2222222222 = 0.909483641 Simplifying u + 0.2222222222 = 0.909483641 Reorder the terms: 0.2222222222 + u = 0.909483641 Solving 0.2222222222 + u = 0.909483641 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-0.2222222222' to each side of the equation. 0.2222222222 + -0.2222222222 + u = 0.909483641 + -0.2222222222 Combine like terms: 0.2222222222 + -0.2222222222 = 0.0000000000 0.0000000000 + u = 0.909483641 + -0.2222222222 u = 0.909483641 + -0.2222222222 Combine like terms: 0.909483641 + -0.2222222222 = 0.6872614188 u = 0.6872614188 Simplifying u = 0.6872614188Subproblem 2
u + 0.2222222222 = -0.909483641 Simplifying u + 0.2222222222 = -0.909483641 Reorder the terms: 0.2222222222 + u = -0.909483641 Solving 0.2222222222 + u = -0.909483641 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-0.2222222222' to each side of the equation. 0.2222222222 + -0.2222222222 + u = -0.909483641 + -0.2222222222 Combine like terms: 0.2222222222 + -0.2222222222 = 0.0000000000 0.0000000000 + u = -0.909483641 + -0.2222222222 u = -0.909483641 + -0.2222222222 Combine like terms: -0.909483641 + -0.2222222222 = -1.1317058632 u = -1.1317058632 Simplifying u = -1.1317058632Solution
The solution to the problem is based on the solutions from the subproblems. u = {0.6872614188, -1.1317058632}
| 3s^2-7s+2=0 | | (4+3)+(3x+2x)=20 | | f(x)=x^3+3x-14 | | 5d=7d-34 | | -23=26x-7+7x | | 5=7-34 | | 2+2sin^2x=4cos^2x | | w^2-3w-6=0 | | 2t-8=3t+4 | | -9=2x-11x-27 | | (4+3x)-(2-2x)=10 | | 12p+23=14p-27 | | 10x+3x-102=-10x+45 | | 3s+3= | | 5t^2+3t-2=0 | | 2+2sin^2=4cos^2x | | 0.2x+0.7=0.8x-2.3 | | 4x-13+7x=-24 | | f(-6)=8-3x+2 | | =5x^2-5x^3 | | 6a+18=27 | | 2(3x+5)-(2x-6)+1=5(x-1)-3(x+2)+3 | | 6(s+1)=15g-9 | | 7=1-5k+6 | | 6w+3+3w=3(4+w)-3 | | 21-7t-5t=t-5 | | 0.2x+0.7=0.8-2.3 | | 4(1-4a)+10a=11-6a | | 243000*-.02702= | | 14+27m=8+20m | | -3v-1=3v+23 | | 4-5w=-w-8 |