If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -379x2 + 280x + 105 = 0 Reorder the terms: 105 + 280x + -379x2 = 0 Solving 105 + 280x + -379x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -379 the coefficient of the squared term: Divide each side by '-379'. -0.2770448549 + -0.7387862797x + x2 = 0 Move the constant term to the right: Add '0.2770448549' to each side of the equation. -0.2770448549 + -0.7387862797x + 0.2770448549 + x2 = 0 + 0.2770448549 Reorder the terms: -0.2770448549 + 0.2770448549 + -0.7387862797x + x2 = 0 + 0.2770448549 Combine like terms: -0.2770448549 + 0.2770448549 = 0.0000000000 0.0000000000 + -0.7387862797x + x2 = 0 + 0.2770448549 -0.7387862797x + x2 = 0 + 0.2770448549 Combine like terms: 0 + 0.2770448549 = 0.2770448549 -0.7387862797x + x2 = 0.2770448549 The x term is -0.7387862797x. Take half its coefficient (-0.3693931399). Square it (0.1364512918) and add it to both sides. Add '0.1364512918' to each side of the equation. -0.7387862797x + 0.1364512918 + x2 = 0.2770448549 + 0.1364512918 Reorder the terms: 0.1364512918 + -0.7387862797x + x2 = 0.2770448549 + 0.1364512918 Combine like terms: 0.2770448549 + 0.1364512918 = 0.4134961467 0.1364512918 + -0.7387862797x + x2 = 0.4134961467 Factor a perfect square on the left side: (x + -0.3693931399)(x + -0.3693931399) = 0.4134961467 Calculate the square root of the right side: 0.64303666 Break this problem into two subproblems by setting (x + -0.3693931399) equal to 0.64303666 and -0.64303666.Subproblem 1
x + -0.3693931399 = 0.64303666 Simplifying x + -0.3693931399 = 0.64303666 Reorder the terms: -0.3693931399 + x = 0.64303666 Solving -0.3693931399 + x = 0.64303666 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3693931399' to each side of the equation. -0.3693931399 + 0.3693931399 + x = 0.64303666 + 0.3693931399 Combine like terms: -0.3693931399 + 0.3693931399 = 0.0000000000 0.0000000000 + x = 0.64303666 + 0.3693931399 x = 0.64303666 + 0.3693931399 Combine like terms: 0.64303666 + 0.3693931399 = 1.0124297999 x = 1.0124297999 Simplifying x = 1.0124297999Subproblem 2
x + -0.3693931399 = -0.64303666 Simplifying x + -0.3693931399 = -0.64303666 Reorder the terms: -0.3693931399 + x = -0.64303666 Solving -0.3693931399 + x = -0.64303666 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3693931399' to each side of the equation. -0.3693931399 + 0.3693931399 + x = -0.64303666 + 0.3693931399 Combine like terms: -0.3693931399 + 0.3693931399 = 0.0000000000 0.0000000000 + x = -0.64303666 + 0.3693931399 x = -0.64303666 + 0.3693931399 Combine like terms: -0.64303666 + 0.3693931399 = -0.2736435201 x = -0.2736435201 Simplifying x = -0.2736435201Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.0124297999, -0.2736435201}
| 5(3x+9)=20+50 | | -11n+16=-7n-12 | | 3x+153=96 | | 0.3x+0.2x+6=-9 | | -6z=18 | | 6x-22-2x=10-3x | | 13x=143 | | 30=-5x^2+30x+5 | | 3(x+5)-7x+1=2x-2 | | 9t+4(1-3t)= | | 3x-14=0 | | 8v^2-10v+15=0 | | 3x+4=x+16 | | YX+3-3=-6 | | -18=4u-2 | | 6x-2y+5=0 | | 6[2-(2x-5)]=2(12-3x) | | x=36x^4+66x^3-18x^2-12x | | 4w+4=-12 | | x=78x^4+143x^3-39x^2-26x | | 8x+1=36 | | 16-(3-9b)=7b+5 | | 3(x-3)=6x | | 2x-3.4= | | 11(x-2)=6(x-2) | | 2x^2-10+3x=x^2+4+1 | | 6x=2(x+2) | | 6x=2(y+2) | | 8y+3-y=1+6y-4 | | 8(x+3)=6(1+x) | | (12t+7)(5t-2)=0 | | 2x-(-3y)=16 |