If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7y2 + 8y + 2 = 0 Reorder the terms: 2 + 8y + 7y2 = 0 Solving 2 + 8y + 7y2 = 0 Solving for variable 'y'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 0.2857142857 + 1.142857143y + y2 = 0 Move the constant term to the right: Add '-0.2857142857' to each side of the equation. 0.2857142857 + 1.142857143y + -0.2857142857 + y2 = 0 + -0.2857142857 Reorder the terms: 0.2857142857 + -0.2857142857 + 1.142857143y + y2 = 0 + -0.2857142857 Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000 0.0000000000 + 1.142857143y + y2 = 0 + -0.2857142857 1.142857143y + y2 = 0 + -0.2857142857 Combine like terms: 0 + -0.2857142857 = -0.2857142857 1.142857143y + y2 = -0.2857142857 The y term is 1.142857143y. 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. 1.142857143y + 0.3265306123 + y2 = -0.2857142857 + 0.3265306123 Reorder the terms: 0.3265306123 + 1.142857143y + y2 = -0.2857142857 + 0.3265306123 Combine like terms: -0.2857142857 + 0.3265306123 = 0.0408163266 0.3265306123 + 1.142857143y + y2 = 0.0408163266 Factor a perfect square on the left side: (y + 0.5714285715)(y + 0.5714285715) = 0.0408163266 Calculate the square root of the right side: 0.202030509 Break this problem into two subproblems by setting (y + 0.5714285715) equal to 0.202030509 and -0.202030509.Subproblem 1
y + 0.5714285715 = 0.202030509 Simplifying y + 0.5714285715 = 0.202030509 Reorder the terms: 0.5714285715 + y = 0.202030509 Solving 0.5714285715 + y = 0.202030509 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-0.5714285715' to each side of the equation. 0.5714285715 + -0.5714285715 + y = 0.202030509 + -0.5714285715 Combine like terms: 0.5714285715 + -0.5714285715 = 0.0000000000 0.0000000000 + y = 0.202030509 + -0.5714285715 y = 0.202030509 + -0.5714285715 Combine like terms: 0.202030509 + -0.5714285715 = -0.3693980625 y = -0.3693980625 Simplifying y = -0.3693980625Subproblem 2
y + 0.5714285715 = -0.202030509 Simplifying y + 0.5714285715 = -0.202030509 Reorder the terms: 0.5714285715 + y = -0.202030509 Solving 0.5714285715 + y = -0.202030509 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-0.5714285715' to each side of the equation. 0.5714285715 + -0.5714285715 + y = -0.202030509 + -0.5714285715 Combine like terms: 0.5714285715 + -0.5714285715 = 0.0000000000 0.0000000000 + y = -0.202030509 + -0.5714285715 y = -0.202030509 + -0.5714285715 Combine like terms: -0.202030509 + -0.5714285715 = -0.7734590805 y = -0.7734590805 Simplifying y = -0.7734590805Solution
The solution to the problem is based on the solutions from the subproblems. y = {-0.3693980625, -0.7734590805}
| 4X^2+4X-20=0 | | 7(x+1)-(3x-1)=1 | | x^2+5y^2=1 | | -6cos(x)=0 | | -6cosx=0 | | 18x^2+13x=5 | | 9(n-1)+12=3(2n-1) | | D+2p=m | | 4a+9a=3a | | 5x+11=2x+23 | | 18x+4.34=8.67 | | 9-3m=-27 | | -4x+29=-6x+7 | | K+4m-g=p+9m | | -5v-10=-15 | | 3-2+3x+4+2x=.5 | | 9x+3+8x-3= | | .6p-.8=.666666p | | -3(g-2)+7=3g+4 | | R=mt-2 | | 8x+8=6x-6 | | [4(13-8)+4]= | | 8z-10g=4 | | 250+16p=210+18p | | 5x-6=7x | | 42=18-6y | | 4x+73=7x-5 | | x^2(1+x^6)=1 | | 4+73=7-5 | | -5x+29=-3x+9-4x | | -28=-7k+14 | | 172-4x=41x+22 |