If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 42x2 + -13x + 42 = 0 Reorder the terms: 42 + -13x + 42x2 = 0 Solving 42 + -13x + 42x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 42 the coefficient of the squared term: Divide each side by '42'. 1 + -0.3095238095x + x2 = 0 Move the constant term to the right: Add '-1' to each side of the equation. 1 + -0.3095238095x + -1 + x2 = 0 + -1 Reorder the terms: 1 + -1 + -0.3095238095x + x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -0.3095238095x + x2 = 0 + -1 -0.3095238095x + x2 = 0 + -1 Combine like terms: 0 + -1 = -1 -0.3095238095x + x2 = -1 The x term is -0.3095238095x. Take half its coefficient (-0.1547619048). Square it (0.02395124718) and add it to both sides. Add '0.02395124718' to each side of the equation. -0.3095238095x + 0.02395124718 + x2 = -1 + 0.02395124718 Reorder the terms: 0.02395124718 + -0.3095238095x + x2 = -1 + 0.02395124718 Combine like terms: -1 + 0.02395124718 = -0.97604875282 0.02395124718 + -0.3095238095x + x2 = -0.97604875282 Factor a perfect square on the left side: (x + -0.1547619048)(x + -0.1547619048) = -0.97604875282 Can't calculate square root of the right side. The solution to this equation could not be determined.
| 4t^2-9t=0 | | 4x=-18x+3 | | y+12x=17 | | 4x+10=3+6x-9 | | 9x(-x+6)= | | 9(v+1)-3x=2(3v+1)-8 | | w^2+8w+34=0 | | (7w^2-4w-1)+(5w^2-3w+6)= | | 3x+9=9x+21 | | 5(x-2)-2(4x+3)=x-16 | | 6x+20=7x+11 | | 15-5x=-8x+18 | | 6x= | | 18-5x+9x=-2(-9x+5) | | x^2+15x+4= | | -2x=-20+3x | | x-3a-2x+5a= | | 9+14x=0 | | -5+5(x+4)= | | 100n-50n^3=0 | | 3a+2a+7a-5= | | -3=-7-3x | | 113-5v=20v+28 | | 6x=-10x+7 | | (3-5i)(6+10i)= | | 5b-8b-6= | | 32+.2c=1 | | 3x-5x=10 | | 4-144y^2=-18 | | -7-6x=9-9x | | 5j^3-80j=0 | | x^2+12x=5x |