If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying k2 + -18k + 23 = 0 Reorder the terms: 23 + -18k + k2 = 0 Solving 23 + -18k + k2 = 0 Solving for variable 'k'. Begin completing the square. Move the constant term to the right: Add '-23' to each side of the equation. 23 + -18k + -23 + k2 = 0 + -23 Reorder the terms: 23 + -23 + -18k + k2 = 0 + -23 Combine like terms: 23 + -23 = 0 0 + -18k + k2 = 0 + -23 -18k + k2 = 0 + -23 Combine like terms: 0 + -23 = -23 -18k + k2 = -23 The k term is -18k. Take half its coefficient (-9). Square it (81) and add it to both sides. Add '81' to each side of the equation. -18k + 81 + k2 = -23 + 81 Reorder the terms: 81 + -18k + k2 = -23 + 81 Combine like terms: -23 + 81 = 58 81 + -18k + k2 = 58 Factor a perfect square on the left side: (k + -9)(k + -9) = 58 Calculate the square root of the right side: 7.615773106 Break this problem into two subproblems by setting (k + -9) equal to 7.615773106 and -7.615773106.Subproblem 1
k + -9 = 7.615773106 Simplifying k + -9 = 7.615773106 Reorder the terms: -9 + k = 7.615773106 Solving -9 + k = 7.615773106 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + k = 7.615773106 + 9 Combine like terms: -9 + 9 = 0 0 + k = 7.615773106 + 9 k = 7.615773106 + 9 Combine like terms: 7.615773106 + 9 = 16.615773106 k = 16.615773106 Simplifying k = 16.615773106Subproblem 2
k + -9 = -7.615773106 Simplifying k + -9 = -7.615773106 Reorder the terms: -9 + k = -7.615773106 Solving -9 + k = -7.615773106 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + k = -7.615773106 + 9 Combine like terms: -9 + 9 = 0 0 + k = -7.615773106 + 9 k = -7.615773106 + 9 Combine like terms: -7.615773106 + 9 = 1.384226894 k = 1.384226894 Simplifying k = 1.384226894Solution
The solution to the problem is based on the solutions from the subproblems. k = {16.615773106, 1.384226894}
| -3s^2+57s=-39 | | 4m^2-16m-4=0 | | X+12+0.5x=1.5x-20+x+2 | | 4h^2+76h=164 | | 8g^3=343 | | -2t^2+4t+30=0 | | d^2+11d=-3 | | 12z^4-27z^3-27z^2= | | r-46=72 | | G^2+24g-49=0 | | 300(.063)(.5)=I | | 7m-3=3 | | -3y^2-48y-129=0 | | 3f^2+39f-63=0 | | 2p^2+46p=-84 | | s+19=63 | | z^2+14z=-31 | | 2y-23=65 | | 3a+2=13 | | t+14=45 | | -4j^2-56j=100 | | x^5-x^4+7x^3-4x^2+14x+8=1.2 | | 100-50+50+200-100+100= | | f(x)=x^5-x^4+7x^3-4x^2-14x+8 | | x-31=18 | | r^2-3r=50 | | 0.17y+0.09(y+7000)=1930 | | 20zsquared+23z+6=0 | | 1/2*=8 | | 6y+5=-19 | | F^2-18f+17=0 | | 5x+4-3x+7=12+7x |