If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 40 = 10x + 0.7x2 Solving 40 = 10x + 0.7x2 Solving for variable 'x'. Reorder the terms: 40 + -10x + -0.7x2 = 10x + -10x + 0.7x2 + -0.7x2 Combine like terms: 10x + -10x = 0 40 + -10x + -0.7x2 = 0 + 0.7x2 + -0.7x2 40 + -10x + -0.7x2 = 0.7x2 + -0.7x2 Combine like terms: 0.7x2 + -0.7x2 = 0.0 40 + -10x + -0.7x2 = 0.0 Begin completing the square. Divide all terms by -0.7 the coefficient of the squared term: Divide each side by '-0.7'. -57.14285714 + 14.28571429x + x2 = 0 Move the constant term to the right: Add '57.14285714' to each side of the equation. -57.14285714 + 14.28571429x + 57.14285714 + x2 = 0 + 57.14285714 Reorder the terms: -57.14285714 + 57.14285714 + 14.28571429x + x2 = 0 + 57.14285714 Combine like terms: -57.14285714 + 57.14285714 = 0.00000000 0.00000000 + 14.28571429x + x2 = 0 + 57.14285714 14.28571429x + x2 = 0 + 57.14285714 Combine like terms: 0 + 57.14285714 = 57.14285714 14.28571429x + x2 = 57.14285714 The x term is 14.28571429x. Take half its coefficient (7.142857145). Square it (51.02040819) and add it to both sides. Add '51.02040819' to each side of the equation. 14.28571429x + 51.02040819 + x2 = 57.14285714 + 51.02040819 Reorder the terms: 51.02040819 + 14.28571429x + x2 = 57.14285714 + 51.02040819 Combine like terms: 57.14285714 + 51.02040819 = 108.16326533 51.02040819 + 14.28571429x + x2 = 108.16326533 Factor a perfect square on the left side: (x + 7.142857145)(x + 7.142857145) = 108.16326533 Calculate the square root of the right side: 10.400156986 Break this problem into two subproblems by setting (x + 7.142857145) equal to 10.400156986 and -10.400156986.Subproblem 1
x + 7.142857145 = 10.400156986 Simplifying x + 7.142857145 = 10.400156986 Reorder the terms: 7.142857145 + x = 10.400156986 Solving 7.142857145 + x = 10.400156986 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7.142857145' to each side of the equation. 7.142857145 + -7.142857145 + x = 10.400156986 + -7.142857145 Combine like terms: 7.142857145 + -7.142857145 = 0.000000000 0.000000000 + x = 10.400156986 + -7.142857145 x = 10.400156986 + -7.142857145 Combine like terms: 10.400156986 + -7.142857145 = 3.257299841 x = 3.257299841 Simplifying x = 3.257299841Subproblem 2
x + 7.142857145 = -10.400156986 Simplifying x + 7.142857145 = -10.400156986 Reorder the terms: 7.142857145 + x = -10.400156986 Solving 7.142857145 + x = -10.400156986 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7.142857145' to each side of the equation. 7.142857145 + -7.142857145 + x = -10.400156986 + -7.142857145 Combine like terms: 7.142857145 + -7.142857145 = 0.000000000 0.000000000 + x = -10.400156986 + -7.142857145 x = -10.400156986 + -7.142857145 Combine like terms: -10.400156986 + -7.142857145 = -17.543014131 x = -17.543014131 Simplifying x = -17.543014131Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.257299841, -17.543014131}
| x+3=(-2)(-6) | | -a=38 | | 192x^2-75=0 | | kx^2+(k-8)x+(1-k)=0 | | 3x+(-7)=-11+(-11) | | 345-7x=34 | | ax+ay+6x+6y=0 | | a(x+y)+6(x+y)= | | 6x^2-31x-402=0 | | (y-8)5=-40 | | x^3y-x^2y^2-6xy^3= | | 49a^2-42a+9= | | 6w-12=54 | | -3x-12=0 | | 10x-21=11x | | 4x+6=0 | | -3x-3=0 | | -2x+4=0 | | 18w^2+0w-98= | | -6*(2x+1)=18 | | 3a+12-5=14 | | 14=5-12+3a | | 72+4+15c=31 | | a-6a-9=31 | | 6x+1=2-3 | | (6x+3)+(4x-3)+(9x+12)=180 | | y=2x^2-8 | | (6x+3)+(4x-3)+(9x-12)=180 | | 6x+3x-7x-9x+10= | | 6b^2-13bc-5c^2= | | 10x^3-20x^2=15x | | (3m-4)(m-3)=0 |