If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying (9y2 + -18y + -4) + -1(-13y2 + 3y + 7) = 0 Reorder the terms: (-4 + -18y + 9y2) + -1(-13y2 + 3y + 7) = 0 Remove parenthesis around (-4 + -18y + 9y2) -4 + -18y + 9y2 + -1(-13y2 + 3y + 7) = 0 Reorder the terms: -4 + -18y + 9y2 + -1(7 + 3y + -13y2) = 0 -4 + -18y + 9y2 + (7 * -1 + 3y * -1 + -13y2 * -1) = 0 -4 + -18y + 9y2 + (-7 + -3y + 13y2) = 0 Reorder the terms: -4 + -7 + -18y + -3y + 9y2 + 13y2 = 0 Combine like terms: -4 + -7 = -11 -11 + -18y + -3y + 9y2 + 13y2 = 0 Combine like terms: -18y + -3y = -21y -11 + -21y + 9y2 + 13y2 = 0 Combine like terms: 9y2 + 13y2 = 22y2 -11 + -21y + 22y2 = 0 Solving -11 + -21y + 22y2 = 0 Solving for variable 'y'. Begin completing the square. Divide all terms by 22 the coefficient of the squared term: Divide each side by '22'. -0.5 + -0.9545454545y + y2 = 0 Move the constant term to the right: Add '0.5' to each side of the equation. -0.5 + -0.9545454545y + 0.5 + y2 = 0 + 0.5 Reorder the terms: -0.5 + 0.5 + -0.9545454545y + y2 = 0 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + -0.9545454545y + y2 = 0 + 0.5 -0.9545454545y + y2 = 0 + 0.5 Combine like terms: 0 + 0.5 = 0.5 -0.9545454545y + y2 = 0.5 The y term is -0.9545454545y. Take half its coefficient (-0.4772727273). Square it (0.2277892562) and add it to both sides. Add '0.2277892562' to each side of the equation. -0.9545454545y + 0.2277892562 + y2 = 0.5 + 0.2277892562 Reorder the terms: 0.2277892562 + -0.9545454545y + y2 = 0.5 + 0.2277892562 Combine like terms: 0.5 + 0.2277892562 = 0.7277892562 0.2277892562 + -0.9545454545y + y2 = 0.7277892562 Factor a perfect square on the left side: (y + -0.4772727273)(y + -0.4772727273) = 0.7277892562 Calculate the square root of the right side: 0.853105654 Break this problem into two subproblems by setting (y + -0.4772727273) equal to 0.853105654 and -0.853105654.Subproblem 1
y + -0.4772727273 = 0.853105654 Simplifying y + -0.4772727273 = 0.853105654 Reorder the terms: -0.4772727273 + y = 0.853105654 Solving -0.4772727273 + y = 0.853105654 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '0.4772727273' to each side of the equation. -0.4772727273 + 0.4772727273 + y = 0.853105654 + 0.4772727273 Combine like terms: -0.4772727273 + 0.4772727273 = 0.0000000000 0.0000000000 + y = 0.853105654 + 0.4772727273 y = 0.853105654 + 0.4772727273 Combine like terms: 0.853105654 + 0.4772727273 = 1.3303783813 y = 1.3303783813 Simplifying y = 1.3303783813Subproblem 2
y + -0.4772727273 = -0.853105654 Simplifying y + -0.4772727273 = -0.853105654 Reorder the terms: -0.4772727273 + y = -0.853105654 Solving -0.4772727273 + y = -0.853105654 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '0.4772727273' to each side of the equation. -0.4772727273 + 0.4772727273 + y = -0.853105654 + 0.4772727273 Combine like terms: -0.4772727273 + 0.4772727273 = 0.0000000000 0.0000000000 + y = -0.853105654 + 0.4772727273 y = -0.853105654 + 0.4772727273 Combine like terms: -0.853105654 + 0.4772727273 = -0.3758329267 y = -0.3758329267 Simplifying y = -0.3758329267Solution
The solution to the problem is based on the solutions from the subproblems. y = {1.3303783813, -0.3758329267}
| 4x-8=-2+5x | | 2m+9=3m-15+7 | | -9+3p=p+3 | | y=79-3x | | 100=13.5*6 | | -5(-6+4a)+2a=156 | | 5y-50=y | | 5x+7.5=15 | | 1+8x=5x-8 | | (-4x^3y)(-3x^5y^4)= | | 2u-26=64-4u | | 64x^2+265x+987=0 | | 19x=1x | | -6+-7(-6r+-6)=372 | | 8a-(2a-3)=-3 | | 7+2x=2x+1 | | (3-7x)+2(5x+1)=x | | 6n+-3n=-9 | | (3-7x)+(5x+1)=x | | 3(3w+4)=-20 | | http://media.education2020.com/evresources/3108-05-09/mc015-1.jpg | | f(x)=-x^2+6x+5 | | 5.75=(1.5x^2)-6 | | 2+5lnx=13 | | 4(3x+2)+20=6x+4 | | n^2+5n-17=7 | | 3(2j-k)-4(j-2k)= | | -3ab(-9a^3+8b^3)=0 | | 13.1z-0.7z=8.2 | | 224=16t^2 | | 8X-4(X-9)=2(X-3)+1 | | Y=(1.5x^2)-6 |
