If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 = 9 + -7x Solving 3x2 = 9 + -7x Solving for variable 'x'. Reorder the terms: -9 + 7x + 3x2 = 9 + -7x + -9 + 7x Reorder the terms: -9 + 7x + 3x2 = 9 + -9 + -7x + 7x Combine like terms: 9 + -9 = 0 -9 + 7x + 3x2 = 0 + -7x + 7x -9 + 7x + 3x2 = -7x + 7x Combine like terms: -7x + 7x = 0 -9 + 7x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -3 + 2.333333333x + x2 = 0 Move the constant term to the right: Add '3' to each side of the equation. -3 + 2.333333333x + 3 + x2 = 0 + 3 Reorder the terms: -3 + 3 + 2.333333333x + x2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + 2.333333333x + x2 = 0 + 3 2.333333333x + x2 = 0 + 3 Combine like terms: 0 + 3 = 3 2.333333333x + x2 = 3 The x term is 2.333333333x. Take half its coefficient (1.166666667). Square it (1.361111112) and add it to both sides. Add '1.361111112' to each side of the equation. 2.333333333x + 1.361111112 + x2 = 3 + 1.361111112 Reorder the terms: 1.361111112 + 2.333333333x + x2 = 3 + 1.361111112 Combine like terms: 3 + 1.361111112 = 4.361111112 1.361111112 + 2.333333333x + x2 = 4.361111112 Factor a perfect square on the left side: (x + 1.166666667)(x + 1.166666667) = 4.361111112 Calculate the square root of the right side: 2.088327348 Break this problem into two subproblems by setting (x + 1.166666667) equal to 2.088327348 and -2.088327348.Subproblem 1
x + 1.166666667 = 2.088327348 Simplifying x + 1.166666667 = 2.088327348 Reorder the terms: 1.166666667 + x = 2.088327348 Solving 1.166666667 + x = 2.088327348 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.166666667' to each side of the equation. 1.166666667 + -1.166666667 + x = 2.088327348 + -1.166666667 Combine like terms: 1.166666667 + -1.166666667 = 0.000000000 0.000000000 + x = 2.088327348 + -1.166666667 x = 2.088327348 + -1.166666667 Combine like terms: 2.088327348 + -1.166666667 = 0.921660681 x = 0.921660681 Simplifying x = 0.921660681Subproblem 2
x + 1.166666667 = -2.088327348 Simplifying x + 1.166666667 = -2.088327348 Reorder the terms: 1.166666667 + x = -2.088327348 Solving 1.166666667 + x = -2.088327348 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.166666667' to each side of the equation. 1.166666667 + -1.166666667 + x = -2.088327348 + -1.166666667 Combine like terms: 1.166666667 + -1.166666667 = 0.000000000 0.000000000 + x = -2.088327348 + -1.166666667 x = -2.088327348 + -1.166666667 Combine like terms: -2.088327348 + -1.166666667 = -3.254994015 x = -3.254994015 Simplifying x = -3.254994015Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.921660681, -3.254994015}
| 7-x/8=6 | | 5(v+1)-y=2(y-1)+9 | | 14x+11=4x+221 | | -0.5xu=6 | | Xy+6=0 | | 4(2X+1)-6=-10-(x+3) | | 64+(-82)= | | -3(4x+6)-2(3-11x)=3(9+3x) | | 1,3/5(t-6)=-0.4 | | 5z-6= | | y-26=78 | | X/5-10=75 | | 4n-20=20 | | 12-12m=-5.4 | | 2-5cosx=0 | | 3(x+4)=7x+6 | | 0.4xa=11.4 | | 16x^2+2x-4=445 | | 3x+28+2x+34+2x+34=180 | | 2z/7-9=8 | | 3x+28+3x+28+2x+34=180 | | -3(4x+6)-2(3-11x)=3(9+3) | | 163x-5= | | 2(x+8)=4x+10 | | 6x-2(4x+9)=14+3(4x+15) | | .4(4)+5=6.6 | | x+5=6+5x | | 49x+495=174-58x | | -4x+15=13 | | 5-8y=37 | | 6w-4+3w=3(3w-1) | | 19-x=6x |