If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + 8x + -2800 = 0 Reorder the terms: -2800 + 8x + 3x2 = 0 Solving -2800 + 8x + 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'. -933.3333333 + 2.666666667x + x2 = 0 Move the constant term to the right: Add '933.3333333' to each side of the equation. -933.3333333 + 2.666666667x + 933.3333333 + x2 = 0 + 933.3333333 Reorder the terms: -933.3333333 + 933.3333333 + 2.666666667x + x2 = 0 + 933.3333333 Combine like terms: -933.3333333 + 933.3333333 = 0.0000000 0.0000000 + 2.666666667x + x2 = 0 + 933.3333333 2.666666667x + x2 = 0 + 933.3333333 Combine like terms: 0 + 933.3333333 = 933.3333333 2.666666667x + x2 = 933.3333333 The x term is 2.666666667x. Take half its coefficient (1.333333334). Square it (1.777777780) and add it to both sides. Add '1.777777780' to each side of the equation. 2.666666667x + 1.777777780 + x2 = 933.3333333 + 1.777777780 Reorder the terms: 1.777777780 + 2.666666667x + x2 = 933.3333333 + 1.777777780 Combine like terms: 933.3333333 + 1.777777780 = 935.11111108 1.777777780 + 2.666666667x + x2 = 935.11111108 Factor a perfect square on the left side: (x + 1.333333334)(x + 1.333333334) = 935.11111108 Calculate the square root of the right side: 30.579586509 Break this problem into two subproblems by setting (x + 1.333333334) equal to 30.579586509 and -30.579586509.Subproblem 1
x + 1.333333334 = 30.579586509 Simplifying x + 1.333333334 = 30.579586509 Reorder the terms: 1.333333334 + x = 30.579586509 Solving 1.333333334 + x = 30.579586509 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.333333334' to each side of the equation. 1.333333334 + -1.333333334 + x = 30.579586509 + -1.333333334 Combine like terms: 1.333333334 + -1.333333334 = 0.000000000 0.000000000 + x = 30.579586509 + -1.333333334 x = 30.579586509 + -1.333333334 Combine like terms: 30.579586509 + -1.333333334 = 29.246253175 x = 29.246253175 Simplifying x = 29.246253175Subproblem 2
x + 1.333333334 = -30.579586509 Simplifying x + 1.333333334 = -30.579586509 Reorder the terms: 1.333333334 + x = -30.579586509 Solving 1.333333334 + x = -30.579586509 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.333333334' to each side of the equation. 1.333333334 + -1.333333334 + x = -30.579586509 + -1.333333334 Combine like terms: 1.333333334 + -1.333333334 = 0.000000000 0.000000000 + x = -30.579586509 + -1.333333334 x = -30.579586509 + -1.333333334 Combine like terms: -30.579586509 + -1.333333334 = -31.912919843 x = -31.912919843 Simplifying x = -31.912919843Solution
The solution to the problem is based on the solutions from the subproblems. x = {29.246253175, -31.912919843}
| x^2+13x+3=8x-3 | | 30Y+5.9Z=500 | | x+7y=110 | | x^2-9x+12=2x+2 | | a^5b^2-a^2b^4+2a^4b-2ab^3+a^3-b^2=0 | | x^2-12x+35=8 | | 8XY-6XY= | | 12x+13=44 | | -34=y+9 | | -23=y-18 | | 2a-4=2-a | | x(13-x)=36 | | 9x15/6 | | 13x-x^2=36 | | 130/1.25= | | 3x+3x^2+2=38 | | 130/1.25=× | | b^4-18b^2+81=0 | | 6y+10=15y+1 | | X^3-6x^2=27x | | x^6+19x^3+18=0 | | 10x=60-50x | | (X+25)+5=x | | 4=3y | | 2x^2+7x-2800=0 | | (-2ab)(56ab)= | | 2y=5y-4 | | 38x+1=9(4x-7) | | 3(x+8)-7=0 | | 5y^4=-2y+3 | | (8a^-6b^2/11a^4b^-9)^0 | | 4/3b-1/6=5/6b |