If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -3x2 + 13x + -15 = 0 Reorder the terms: -15 + 13x + -3x2 = 0 Solving -15 + 13x + -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'. 5 + -4.333333333x + x2 = 0 Move the constant term to the right: Add '-5' to each side of the equation. 5 + -4.333333333x + -5 + x2 = 0 + -5 Reorder the terms: 5 + -5 + -4.333333333x + x2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4.333333333x + x2 = 0 + -5 -4.333333333x + x2 = 0 + -5 Combine like terms: 0 + -5 = -5 -4.333333333x + x2 = -5 The x term is -4.333333333x. Take half its coefficient (-2.166666667). Square it (4.694444446) and add it to both sides. Add '4.694444446' to each side of the equation. -4.333333333x + 4.694444446 + x2 = -5 + 4.694444446 Reorder the terms: 4.694444446 + -4.333333333x + x2 = -5 + 4.694444446 Combine like terms: -5 + 4.694444446 = -0.305555554 4.694444446 + -4.333333333x + x2 = -0.305555554 Factor a perfect square on the left side: (x + -2.166666667)(x + -2.166666667) = -0.305555554 Can't calculate square root of the right side. The solution to this equation could not be determined.
| 6z+32=4(4z+5) | | -8+3x=3(x+6) | | 14z-12=2(7z-6) | | 14z-12=2(7x-6) | | 15z+21=3(5z-7) | | 4.9x^2-5x-80=0 | | 7(z+3)=5(5+4z)-13z | | 1+3r=-11-3r | | -9y=7 | | 7(z+3)=5(5+4x)-13x | | 3.9+6.9z=z+33.9 | | 20=2.5x+1 | | 5(-4)+3x=-4(x+5)+12x | | .67(x+6)=x-5 | | 4=5+2(t+1) | | 10-2x=-7x+10 | | 4j=-6+5j | | 2(3x+5)-2(x-1)=2(x-3)+5 | | 48=-2w-4w-24 | | -12=2(x-3) | | 16(v+3)-4v=4(3v+3)-15 | | 4x=-2y-3 | | (5t^2-t-9)(3t^2+5t-1)=0 | | n+41=42n | | 19=5+7(x-1) | | 3x+5-6(x+1)=-4x+5 | | x+0=24 | | .55x+.05(2-x)=.10(-79) | | -t-11=2t+4 | | 4d-10=4d+6 | | Y=4+5lnx | | 2(2x+6)=12+4x |