If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 4.2x2 + 6.5x + -6.7 = 0 Reorder the terms: -6.7 + 6.5x + 4.2x2 = 0 Solving -6.7 + 6.5x + 4.2x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 4.2 the coefficient of the squared term: Divide each side by '4.2'. -1.595238095 + 1.547619048x + x2 = 0 Move the constant term to the right: Add '1.595238095' to each side of the equation. -1.595238095 + 1.547619048x + 1.595238095 + x2 = 0 + 1.595238095 Reorder the terms: -1.595238095 + 1.595238095 + 1.547619048x + x2 = 0 + 1.595238095 Combine like terms: -1.595238095 + 1.595238095 = 0.000000000 0.000000000 + 1.547619048x + x2 = 0 + 1.595238095 1.547619048x + x2 = 0 + 1.595238095 Combine like terms: 0 + 1.595238095 = 1.595238095 1.547619048x + x2 = 1.595238095 The x term is 1.547619048x. Take half its coefficient (0.773809524). Square it (0.5987811794) and add it to both sides. Add '0.5987811794' to each side of the equation. 1.547619048x + 0.5987811794 + x2 = 1.595238095 + 0.5987811794 Reorder the terms: 0.5987811794 + 1.547619048x + x2 = 1.595238095 + 0.5987811794 Combine like terms: 1.595238095 + 0.5987811794 = 2.1940192744 0.5987811794 + 1.547619048x + x2 = 2.1940192744 Factor a perfect square on the left side: (x + 0.773809524)(x + 0.773809524) = 2.1940192744 Calculate the square root of the right side: 1.481222223 Break this problem into two subproblems by setting (x + 0.773809524) equal to 1.481222223 and -1.481222223.Subproblem 1
x + 0.773809524 = 1.481222223 Simplifying x + 0.773809524 = 1.481222223 Reorder the terms: 0.773809524 + x = 1.481222223 Solving 0.773809524 + x = 1.481222223 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.773809524' to each side of the equation. 0.773809524 + -0.773809524 + x = 1.481222223 + -0.773809524 Combine like terms: 0.773809524 + -0.773809524 = 0.000000000 0.000000000 + x = 1.481222223 + -0.773809524 x = 1.481222223 + -0.773809524 Combine like terms: 1.481222223 + -0.773809524 = 0.707412699 x = 0.707412699 Simplifying x = 0.707412699Subproblem 2
x + 0.773809524 = -1.481222223 Simplifying x + 0.773809524 = -1.481222223 Reorder the terms: 0.773809524 + x = -1.481222223 Solving 0.773809524 + x = -1.481222223 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.773809524' to each side of the equation. 0.773809524 + -0.773809524 + x = -1.481222223 + -0.773809524 Combine like terms: 0.773809524 + -0.773809524 = 0.000000000 0.000000000 + x = -1.481222223 + -0.773809524 x = -1.481222223 + -0.773809524 Combine like terms: -1.481222223 + -0.773809524 = -2.255031747 x = -2.255031747 Simplifying x = -2.255031747Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.707412699, -2.255031747}
| 14.6=x-9.3 | | x^2+14x+49+x^2=289 | | 9-3k+5k=9+2k | | x^2+14x+49=289 | | 2x=215 | | (5x-9)=(3x-6) | | 54x^2-87x-35=0 | | x=y-8/4 | | 2-5y=22 | | 2x^2+7x=120 | | -18+-21X+4X^2=0 | | 2x^2+49=120 | | tg(4x-π/8)=ctg(x) | | 4.5(8-x)+36=102-2.5(3x+24) | | x^2+x^2+49=289 | | 16x^2+28=0 | | y=2.5m | | 9h-21=68 | | (x+0.25)(x+0.8)=0 | | y=225m+1 | | 2x+7=120 | | 17(x-27)=-34 | | -56+16=-5x+13x | | -4(4p+3)-26=2(5p+7) | | 2x-2=4-3x | | f(x)=log(-x+4)-1 | | x=52y | | 6p-2=3p+1 | | 3f+6=18 | | 3y+7=-4 | | 4q+4=16 | | 10x-20=2/3 |