If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7v2 + -8v + -3 = 0 Reorder the terms: -3 + -8v + 7v2 = 0 Solving -3 + -8v + 7v2 = 0 Solving for variable 'v'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -0.4285714286 + -1.142857143v + v2 = 0 Move the constant term to the right: Add '0.4285714286' to each side of the equation. -0.4285714286 + -1.142857143v + 0.4285714286 + v2 = 0 + 0.4285714286 Reorder the terms: -0.4285714286 + 0.4285714286 + -1.142857143v + v2 = 0 + 0.4285714286 Combine like terms: -0.4285714286 + 0.4285714286 = 0.0000000000 0.0000000000 + -1.142857143v + v2 = 0 + 0.4285714286 -1.142857143v + v2 = 0 + 0.4285714286 Combine like terms: 0 + 0.4285714286 = 0.4285714286 -1.142857143v + v2 = 0.4285714286 The v term is -1.142857143v. Take half its coefficient (-0.5714285715). Square it (0.3265306123) and add it to both sides. Add '0.3265306123' to each side of the equation. -1.142857143v + 0.3265306123 + v2 = 0.4285714286 + 0.3265306123 Reorder the terms: 0.3265306123 + -1.142857143v + v2 = 0.4285714286 + 0.3265306123 Combine like terms: 0.4285714286 + 0.3265306123 = 0.7551020409 0.3265306123 + -1.142857143v + v2 = 0.7551020409 Factor a perfect square on the left side: (v + -0.5714285715)(v + -0.5714285715) = 0.7551020409 Calculate the square root of the right side: 0.868966076 Break this problem into two subproblems by setting (v + -0.5714285715) equal to 0.868966076 and -0.868966076.Subproblem 1
v + -0.5714285715 = 0.868966076 Simplifying v + -0.5714285715 = 0.868966076 Reorder the terms: -0.5714285715 + v = 0.868966076 Solving -0.5714285715 + v = 0.868966076 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '0.5714285715' to each side of the equation. -0.5714285715 + 0.5714285715 + v = 0.868966076 + 0.5714285715 Combine like terms: -0.5714285715 + 0.5714285715 = 0.0000000000 0.0000000000 + v = 0.868966076 + 0.5714285715 v = 0.868966076 + 0.5714285715 Combine like terms: 0.868966076 + 0.5714285715 = 1.4403946475 v = 1.4403946475 Simplifying v = 1.4403946475Subproblem 2
v + -0.5714285715 = -0.868966076 Simplifying v + -0.5714285715 = -0.868966076 Reorder the terms: -0.5714285715 + v = -0.868966076 Solving -0.5714285715 + v = -0.868966076 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '0.5714285715' to each side of the equation. -0.5714285715 + 0.5714285715 + v = -0.868966076 + 0.5714285715 Combine like terms: -0.5714285715 + 0.5714285715 = 0.0000000000 0.0000000000 + v = -0.868966076 + 0.5714285715 v = -0.868966076 + 0.5714285715 Combine like terms: -0.868966076 + 0.5714285715 = -0.2975375045 v = -0.2975375045 Simplifying v = -0.2975375045Solution
The solution to the problem is based on the solutions from the subproblems. v = {1.4403946475, -0.2975375045}
| 2.5x+8=24 | | v=3.14×3^2×8/3 | | 2n^2-6n+4=0 | | 7x+-19=-2 | | 0=4x^2+31x+21 | | 1.4x+3.4=7.4 | | 940=13a+9c | | 5h^2+h-7=0 | | Cos45=4/x | | 2y+3.6=4.8 | | 49=7w/5 | | 3n*4=1 | | 6m^2-32m-24=0 | | 7w/5=49 | | -8x+5(-3x-5)=13 | | 6k^2-4K-8=0 | | 6m(m-6)=4(6-m) | | m^2=56m-m^3 | | 12x^2-20x-8= | | e^5=6x | | 5n+10n-40=0 | | X^2+3X=4X+20 | | Log(2v)=log(5v-9) | | 4*2*3=109 | | ln(7x^3/y^2 | | -27n+14n+33-m=-23 | | 3x^2+26x=-40 | | 5(2x-1)=3(x-4) | | 13x-14=15x-6 | | 3p-2=6(4p+2) | | 22=10+3*2x | | 40+2x-30+x+20=180 |