If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -15x2 + -4x + -30 = 0 Reorder the terms: -30 + -4x + -15x2 = 0 Solving -30 + -4x + -15x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '-1'. -1(30 + 4x + 15x2) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(30 + 4x + 15x2)' equal to zero and attempt to solve: Simplifying 30 + 4x + 15x2 = 0 Solving 30 + 4x + 15x2 = 0 Begin completing the square. Divide all terms by 15 the coefficient of the squared term: Divide each side by '15'. 2 + 0.2666666667x + x2 = 0 Move the constant term to the right: Add '-2' to each side of the equation. 2 + 0.2666666667x + -2 + x2 = 0 + -2 Reorder the terms: 2 + -2 + 0.2666666667x + x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 0.2666666667x + x2 = 0 + -2 0.2666666667x + x2 = 0 + -2 Combine like terms: 0 + -2 = -2 0.2666666667x + x2 = -2 The x term is 0.2666666667x. Take half its coefficient (0.1333333334). Square it (0.01777777780) and add it to both sides. Add '0.01777777780' to each side of the equation. 0.2666666667x + 0.01777777780 + x2 = -2 + 0.01777777780 Reorder the terms: 0.01777777780 + 0.2666666667x + x2 = -2 + 0.01777777780 Combine like terms: -2 + 0.01777777780 = -1.9822222222 0.01777777780 + 0.2666666667x + x2 = -1.9822222222 Factor a perfect square on the left side: (x + 0.1333333334)(x + 0.1333333334) = -1.9822222222 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
| y/3=y/6+4/2 | | -4n+6n-16=-5n^2 | | 7timesp=-56 | | 3x+y+x=180 | | 6w=15 | | 4/x=2 | | -30-4x-15x^2=0 | | z/4+2=z/3+5 | | z/4+4=z/3+5 | | 6w=13 | | 15a/24a | | 5(x+2)-(2x-7)=0 | | 4x/3+5y/4 | | 2.6+2.1x=1.5+4.3x | | 2x=14-(5x+21) | | .0252x^2+.464x+24.5088=0 | | 4y+0.8+3.8y+3.6y+3=0 | | x-1=4x+5 | | -3r^2-8r^2+8r^2=0 | | 17=6x-13 | | 3/9n-14=-8 | | 6a+11*2a+83= | | 7x-3(x-4)=20 | | .2q-7+29=3q-5 | | -9r^2-6r^2+10r^2=0 | | 4(x-2)=-28 | | 6.9x-3+x-1.1=0 | | -3(2x-5)=21 | | 7g-3-9-7g=0 | | 0.5(1-x)=1.16 | | 0.5x(1-x)=1.16 | | -2.50x+80=20 |