If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9x2 + -7x + -28 = 0 Reorder the terms: -28 + -7x + 9x2 = 0 Solving -28 + -7x + 9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -3.111111111 + -0.7777777778x + x2 = 0 Move the constant term to the right: Add '3.111111111' to each side of the equation. -3.111111111 + -0.7777777778x + 3.111111111 + x2 = 0 + 3.111111111 Reorder the terms: -3.111111111 + 3.111111111 + -0.7777777778x + x2 = 0 + 3.111111111 Combine like terms: -3.111111111 + 3.111111111 = 0.000000000 0.000000000 + -0.7777777778x + x2 = 0 + 3.111111111 -0.7777777778x + x2 = 0 + 3.111111111 Combine like terms: 0 + 3.111111111 = 3.111111111 -0.7777777778x + x2 = 3.111111111 The x term is -0.7777777778x. Take half its coefficient (-0.3888888889). Square it (0.1512345679) and add it to both sides. Add '0.1512345679' to each side of the equation. -0.7777777778x + 0.1512345679 + x2 = 3.111111111 + 0.1512345679 Reorder the terms: 0.1512345679 + -0.7777777778x + x2 = 3.111111111 + 0.1512345679 Combine like terms: 3.111111111 + 0.1512345679 = 3.2623456789 0.1512345679 + -0.7777777778x + x2 = 3.2623456789 Factor a perfect square on the left side: (x + -0.3888888889)(x + -0.3888888889) = 3.2623456789 Calculate the square root of the right side: 1.806196467 Break this problem into two subproblems by setting (x + -0.3888888889) equal to 1.806196467 and -1.806196467.Subproblem 1
x + -0.3888888889 = 1.806196467 Simplifying x + -0.3888888889 = 1.806196467 Reorder the terms: -0.3888888889 + x = 1.806196467 Solving -0.3888888889 + x = 1.806196467 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3888888889' to each side of the equation. -0.3888888889 + 0.3888888889 + x = 1.806196467 + 0.3888888889 Combine like terms: -0.3888888889 + 0.3888888889 = 0.0000000000 0.0000000000 + x = 1.806196467 + 0.3888888889 x = 1.806196467 + 0.3888888889 Combine like terms: 1.806196467 + 0.3888888889 = 2.1950853559 x = 2.1950853559 Simplifying x = 2.1950853559Subproblem 2
x + -0.3888888889 = -1.806196467 Simplifying x + -0.3888888889 = -1.806196467 Reorder the terms: -0.3888888889 + x = -1.806196467 Solving -0.3888888889 + x = -1.806196467 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3888888889' to each side of the equation. -0.3888888889 + 0.3888888889 + x = -1.806196467 + 0.3888888889 Combine like terms: -0.3888888889 + 0.3888888889 = 0.0000000000 0.0000000000 + x = -1.806196467 + 0.3888888889 x = -1.806196467 + 0.3888888889 Combine like terms: -1.806196467 + 0.3888888889 = -1.4173075781 x = -1.4173075781 Simplifying x = -1.4173075781Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.1950853559, -1.4173075781}
| -3x-8=10 | | .4(3x+8)=.2(x+5) | | 123-4x=5x+15 | | 7x+5-4x+7= | | 22x-8-12x+2=26x-3-16x+17 | | 6-2(3x-4)=8 | | p^2+5p=0 | | 6(2x-4)+2(x+3)=7 | | 28c^2-66c+36=0 | | 4n^2+3n-10=0 | | 1-.0105263x^2=0 | | 11x^2-29x=0 | | 8+32=80 | | 17*5076.5625= | | 8+32= | | 1+4=10 | | x+(x+18)=46 | | 14v^2-33v+18=0 | | 22*5076.5625= | | 14a=a^3-5a | | x+(x+18)=92 | | 10+7x=-3x+20 | | 4(2x+3)+2(x+5)=7 | | p^2-19p+70=0 | | 18w^2-39w+20=0 | | x+.25x=160 | | 9n-7=5n+27 | | 71.25*71.25= | | 80-5x=31x+20 | | h^2+9h+14=0 | | 5x^2-22x=-24 | | 4(x+2)=3(x-3) |