If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9k2 + -84k + 4 = 0 Reorder the terms: 4 + -84k + 9k2 = 0 Solving 4 + -84k + 9k2 = 0 Solving for variable 'k'. Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. 0.4444444444 + -9.333333333k + k2 = 0 Move the constant term to the right: Add '-0.4444444444' to each side of the equation. 0.4444444444 + -9.333333333k + -0.4444444444 + k2 = 0 + -0.4444444444 Reorder the terms: 0.4444444444 + -0.4444444444 + -9.333333333k + k2 = 0 + -0.4444444444 Combine like terms: 0.4444444444 + -0.4444444444 = 0.0000000000 0.0000000000 + -9.333333333k + k2 = 0 + -0.4444444444 -9.333333333k + k2 = 0 + -0.4444444444 Combine like terms: 0 + -0.4444444444 = -0.4444444444 -9.333333333k + k2 = -0.4444444444 The k term is -9.333333333k. Take half its coefficient (-4.666666667). Square it (21.77777778) and add it to both sides. Add '21.77777778' to each side of the equation. -9.333333333k + 21.77777778 + k2 = -0.4444444444 + 21.77777778 Reorder the terms: 21.77777778 + -9.333333333k + k2 = -0.4444444444 + 21.77777778 Combine like terms: -0.4444444444 + 21.77777778 = 21.3333333356 21.77777778 + -9.333333333k + k2 = 21.3333333356 Factor a perfect square on the left side: (k + -4.666666667)(k + -4.666666667) = 21.3333333356 Calculate the square root of the right side: 4.618802154 Break this problem into two subproblems by setting (k + -4.666666667) equal to 4.618802154 and -4.618802154.Subproblem 1
k + -4.666666667 = 4.618802154 Simplifying k + -4.666666667 = 4.618802154 Reorder the terms: -4.666666667 + k = 4.618802154 Solving -4.666666667 + k = 4.618802154 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '4.666666667' to each side of the equation. -4.666666667 + 4.666666667 + k = 4.618802154 + 4.666666667 Combine like terms: -4.666666667 + 4.666666667 = 0.000000000 0.000000000 + k = 4.618802154 + 4.666666667 k = 4.618802154 + 4.666666667 Combine like terms: 4.618802154 + 4.666666667 = 9.285468821 k = 9.285468821 Simplifying k = 9.285468821Subproblem 2
k + -4.666666667 = -4.618802154 Simplifying k + -4.666666667 = -4.618802154 Reorder the terms: -4.666666667 + k = -4.618802154 Solving -4.666666667 + k = -4.618802154 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '4.666666667' to each side of the equation. -4.666666667 + 4.666666667 + k = -4.618802154 + 4.666666667 Combine like terms: -4.666666667 + 4.666666667 = 0.000000000 0.000000000 + k = -4.618802154 + 4.666666667 k = -4.618802154 + 4.666666667 Combine like terms: -4.618802154 + 4.666666667 = 0.047864513 k = 0.047864513 Simplifying k = 0.047864513Solution
The solution to the problem is based on the solutions from the subproblems. k = {9.285468821, 0.047864513}
| 24x+5y-(10x+2y)-4x= | | Y+[-6]=3 | | -2(3n+5)+3(n-5)= | | 3y+8=8+2v+v | | 2x+x-5x= | | -3a+4+4a=15-28 | | 6.1=9.3-3.2h | | 27-3*-4= | | 5(x-4)=45 | | 4(x-2)=2x+7 | | 12x+5+3x=65 | | (y-4)-(y+4)=9y | | 26+3x-21+3+5x=0 | | 7x+21+14y= | | r^2+4r-45= | | -4b-2=4+3b | | 5y+4=9 | | 2(6-4d)=7+5z | | -3a+5=-10 | | V=ans | | 36x=108 | | x+5*7x-6=0 | | 6+7-4-(-3)= | | y^3-15y^2+54y=0 | | 5x+9y=-30 | | 9a=81 | | x+(42+x)=180 | | 5*x^3=625 | | 2x+x+x=11 | | -3c+8=-18 | | 9x+89=100 | | 2c-8=-8 |