If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 18x2 + -77x + 18 = 0 Reorder the terms: 18 + -77x + 18x2 = 0 Solving 18 + -77x + 18x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 18 the coefficient of the squared term: Divide each side by '18'. 1 + -4.277777778x + x2 = 0 Move the constant term to the right: Add '-1' to each side of the equation. 1 + -4.277777778x + -1 + x2 = 0 + -1 Reorder the terms: 1 + -1 + -4.277777778x + x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -4.277777778x + x2 = 0 + -1 -4.277777778x + x2 = 0 + -1 Combine like terms: 0 + -1 = -1 -4.277777778x + x2 = -1 The x term is -4.277777778x. Take half its coefficient (-2.138888889). Square it (4.574845679) and add it to both sides. Add '4.574845679' to each side of the equation. -4.277777778x + 4.574845679 + x2 = -1 + 4.574845679 Reorder the terms: 4.574845679 + -4.277777778x + x2 = -1 + 4.574845679 Combine like terms: -1 + 4.574845679 = 3.574845679 4.574845679 + -4.277777778x + x2 = 3.574845679 Factor a perfect square on the left side: (x + -2.138888889)(x + -2.138888889) = 3.574845679 Calculate the square root of the right side: 1.890726231 Break this problem into two subproblems by setting (x + -2.138888889) equal to 1.890726231 and -1.890726231.Subproblem 1
x + -2.138888889 = 1.890726231 Simplifying x + -2.138888889 = 1.890726231 Reorder the terms: -2.138888889 + x = 1.890726231 Solving -2.138888889 + x = 1.890726231 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.138888889' to each side of the equation. -2.138888889 + 2.138888889 + x = 1.890726231 + 2.138888889 Combine like terms: -2.138888889 + 2.138888889 = 0.000000000 0.000000000 + x = 1.890726231 + 2.138888889 x = 1.890726231 + 2.138888889 Combine like terms: 1.890726231 + 2.138888889 = 4.02961512 x = 4.02961512 Simplifying x = 4.02961512Subproblem 2
x + -2.138888889 = -1.890726231 Simplifying x + -2.138888889 = -1.890726231 Reorder the terms: -2.138888889 + x = -1.890726231 Solving -2.138888889 + x = -1.890726231 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.138888889' to each side of the equation. -2.138888889 + 2.138888889 + x = -1.890726231 + 2.138888889 Combine like terms: -2.138888889 + 2.138888889 = 0.000000000 0.000000000 + x = -1.890726231 + 2.138888889 x = -1.890726231 + 2.138888889 Combine like terms: -1.890726231 + 2.138888889 = 0.248162658 x = 0.248162658 Simplifying x = 0.248162658Solution
The solution to the problem is based on the solutions from the subproblems. x = {4.02961512, 0.248162658}
| 5n^2-27n+10=0 | | 16x^2+4x-1=0 | | x+x^2=57 | | 9x^2-18x+9=x^2 | | -6[18-(10-77)]= | | 3(x-2)+5(x+4)=5(x+4) | | 3a^2+22a-80=0 | | X=4y-36 | | Ac=4y-36 | | 23-3z=-4 | | 18-5x=x+4 | | 18-5x=x-4 | | 6x+y=-2 | | 7n^2-19n+10=0 | | 25-5*2/6-3 | | 3x^2y^2+25xy+1= | | 7x+51= | | 81x^5+18x^4+x^3= | | 9ax-4=95 | | -28+2h=4(7h+3) | | 12x^6-50x^5+42x^4= | | 25-1/5m=18 | | 3x^5+6x^4+9x^3+3x^2-1=0 | | (1/3)x-(1/5)=(1/5)x+(1/3) | | 13+s=-5 | | 1/8x+20=32 | | (5y^2-7y+8)-(7y^2-7y+3)= | | y=3/2x+6 | | 5x^2+2x+3=0 | | 25+3y=10 | | 3m^2+9=0 | | x/6+3=5 |