If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + 5x + -400 = 0 Reorder the terms: -400 + 5x + 3x2 = 0 Solving -400 + 5x + 3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -133.3333333 + 1.666666667x + x2 = 0 Move the constant term to the right: Add '133.3333333' to each side of the equation. -133.3333333 + 1.666666667x + 133.3333333 + x2 = 0 + 133.3333333 Reorder the terms: -133.3333333 + 133.3333333 + 1.666666667x + x2 = 0 + 133.3333333 Combine like terms: -133.3333333 + 133.3333333 = 0.0000000 0.0000000 + 1.666666667x + x2 = 0 + 133.3333333 1.666666667x + x2 = 0 + 133.3333333 Combine like terms: 0 + 133.3333333 = 133.3333333 1.666666667x + x2 = 133.3333333 The x term is 1.666666667x. Take half its coefficient (0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. 1.666666667x + 0.6944444447 + x2 = 133.3333333 + 0.6944444447 Reorder the terms: 0.6944444447 + 1.666666667x + x2 = 133.3333333 + 0.6944444447 Combine like terms: 133.3333333 + 0.6944444447 = 134.0277777447 0.6944444447 + 1.666666667x + x2 = 134.0277777447 Factor a perfect square on the left side: (x + 0.8333333335)(x + 0.8333333335) = 134.0277777447 Calculate the square root of the right side: 11.577036656 Break this problem into two subproblems by setting (x + 0.8333333335) equal to 11.577036656 and -11.577036656.Subproblem 1
x + 0.8333333335 = 11.577036656 Simplifying x + 0.8333333335 = 11.577036656 Reorder the terms: 0.8333333335 + x = 11.577036656 Solving 0.8333333335 + x = 11.577036656 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = 11.577036656 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = 11.577036656 + -0.8333333335 x = 11.577036656 + -0.8333333335 Combine like terms: 11.577036656 + -0.8333333335 = 10.7437033225 x = 10.7437033225 Simplifying x = 10.7437033225Subproblem 2
x + 0.8333333335 = -11.577036656 Simplifying x + 0.8333333335 = -11.577036656 Reorder the terms: 0.8333333335 + x = -11.577036656 Solving 0.8333333335 + x = -11.577036656 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = -11.577036656 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = -11.577036656 + -0.8333333335 x = -11.577036656 + -0.8333333335 Combine like terms: -11.577036656 + -0.8333333335 = -12.4103699895 x = -12.4103699895 Simplifying x = -12.4103699895Solution
The solution to the problem is based on the solutions from the subproblems. x = {10.7437033225, -12.4103699895}
| 19p+17q+p-7q-3p= | | 5=x*x-4x+3 | | 408/29= | | 4-(16-18/18)4 | | -8+4m=-2m-9 | | 2y(y-3)=7-y | | 50x^2=100 | | 144-5x=40x+19 | | 15=56-x | | 3(x-7)-3(x+5)=7+5x | | 15=51-x | | 4(2x+3)=5x+18 | | (11x+10)(-4x-12)= | | xy^1-4y=0 | | (2+r)-4=16 | | 3x-5=4(x-6) | | 11(6c-1)-18=64c+11 | | (7+5)(6+4x)=60-2.5(x+4) | | 2(n+11)=5(n-2) | | 7x+17-6x=-8-12 | | 9x+6=3x+43 | | -14n+16=-12n-12 | | j-15=15 | | (1-z)9=27 | | 2.1q-3.5-4.3q=-3.2q-5.3 | | 2(5x-6)=48-3(x+4) | | 120-7x=9x+24 | | 5+s=0 | | 9x=26 | | 1/3x+2/5=4/15+3/5x-2/3 | | -3(t+3)=18 | | 9x-3=4x+2 |