If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 42x2 + -54x + 1 = 0 Reorder the terms: 1 + -54x + 42x2 = 0 Solving 1 + -54x + 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'. 0.02380952381 + -1.285714286x + x2 = 0 Move the constant term to the right: Add '-0.02380952381' to each side of the equation. 0.02380952381 + -1.285714286x + -0.02380952381 + x2 = 0 + -0.02380952381 Reorder the terms: 0.02380952381 + -0.02380952381 + -1.285714286x + x2 = 0 + -0.02380952381 Combine like terms: 0.02380952381 + -0.02380952381 = 0.00000000000 0.00000000000 + -1.285714286x + x2 = 0 + -0.02380952381 -1.285714286x + x2 = 0 + -0.02380952381 Combine like terms: 0 + -0.02380952381 = -0.02380952381 -1.285714286x + x2 = -0.02380952381 The x term is -1.285714286x. Take half its coefficient (-0.642857143). Square it (0.4132653063) and add it to both sides. Add '0.4132653063' to each side of the equation. -1.285714286x + 0.4132653063 + x2 = -0.02380952381 + 0.4132653063 Reorder the terms: 0.4132653063 + -1.285714286x + x2 = -0.02380952381 + 0.4132653063 Combine like terms: -0.02380952381 + 0.4132653063 = 0.38945578249 0.4132653063 + -1.285714286x + x2 = 0.38945578249 Factor a perfect square on the left side: (x + -0.642857143)(x + -0.642857143) = 0.38945578249 Calculate the square root of the right side: 0.624063925 Break this problem into two subproblems by setting (x + -0.642857143) equal to 0.624063925 and -0.624063925.Subproblem 1
x + -0.642857143 = 0.624063925 Simplifying x + -0.642857143 = 0.624063925 Reorder the terms: -0.642857143 + x = 0.624063925 Solving -0.642857143 + x = 0.624063925 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.642857143' to each side of the equation. -0.642857143 + 0.642857143 + x = 0.624063925 + 0.642857143 Combine like terms: -0.642857143 + 0.642857143 = 0.000000000 0.000000000 + x = 0.624063925 + 0.642857143 x = 0.624063925 + 0.642857143 Combine like terms: 0.624063925 + 0.642857143 = 1.266921068 x = 1.266921068 Simplifying x = 1.266921068Subproblem 2
x + -0.642857143 = -0.624063925 Simplifying x + -0.642857143 = -0.624063925 Reorder the terms: -0.642857143 + x = -0.624063925 Solving -0.642857143 + x = -0.624063925 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.642857143' to each side of the equation. -0.642857143 + 0.642857143 + x = -0.624063925 + 0.642857143 Combine like terms: -0.642857143 + 0.642857143 = 0.000000000 0.000000000 + x = -0.624063925 + 0.642857143 x = -0.624063925 + 0.642857143 Combine like terms: -0.624063925 + 0.642857143 = 0.018793218 x = 0.018793218 Simplifying x = 0.018793218Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.266921068, 0.018793218}
| x-y=3recta | | (w+3)/5-4=6 | | 9+4x=74-x | | 1.3t+10.9=6.2 | | -x+y-3=0 | | 1/3x-6=9+2/3x | | a/3+4=12 | | 2x+7=2x-9 | | (3x-17)+98=180 | | x=9-3y/4 | | 33a+10=28a-5 | | 17+2x=31-5 | | 9-3y/4=x | | 4-9c+3c=58 | | 14u=2/3 | | 4a-98=a/2 | | 16x^4+8x^2-3=0 | | -4.40=1.2(t+1) | | 7x=192 | | 15x+26x+8=0 | | 3y+87=3+87y | | 9z+(40z+5)+5z=180 | | 54=36+a | | v+6=-8 | | 10=x-2 | | 2x+7(2x-12)=60 | | -3=-4+u | | ln(25x)-ln(x-1)=2 | | 3y+y-2y= | | 8(3x-1)=40 | | 5x+5=85-10x | | -7=9+v |