If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 5x2 + -28x + 80 = 0 Reorder the terms: 80 + -28x + 5x2 = 0 Solving 80 + -28x + 5x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. 16 + -5.6x + x2 = 0 Move the constant term to the right: Add '-16' to each side of the equation. 16 + -5.6x + -16 + x2 = 0 + -16 Reorder the terms: 16 + -16 + -5.6x + x2 = 0 + -16 Combine like terms: 16 + -16 = 0 0 + -5.6x + x2 = 0 + -16 -5.6x + x2 = 0 + -16 Combine like terms: 0 + -16 = -16 -5.6x + x2 = -16 The x term is -5.6x. Take half its coefficient (-2.8). Square it (7.84) and add it to both sides. Add '7.84' to each side of the equation. -5.6x + 7.84 + x2 = -16 + 7.84 Reorder the terms: 7.84 + -5.6x + x2 = -16 + 7.84 Combine like terms: -16 + 7.84 = -8.16 7.84 + -5.6x + x2 = -8.16 Factor a perfect square on the left side: (x + -2.8)(x + -2.8) = -8.16 Can't calculate square root of the right side. The solution to this equation could not be determined.
| (1/16)1/4 | | 42x^2-50x+8=0 | | 5(3+4x)-9=106 | | -8(-8x-6)-6x=-22 | | 2/x-10-3/x-2=6/x-10*x-2 | | 2(-5+7x)=130 | | 6x+10=8x+10 | | n-12/29=-22 | | 1-3(2x-3)=-3x+4(2-5x) | | (n-12)/29=-22 | | log(x+15)-log(x)=2 | | 33gh1/2 | | x+4/15=x+1/5 | | -66x=-1.2 | | 0.75=w+0.4 | | 7a-54-a-36=0 | | log(x+15)-logx=2 | | 2x-4-3x-30=6 | | -2/9v=-8 | | 6x+10=-5x+76 | | B^2-36+18-3b=0 | | (5c+6)(6c+5)= | | 145x+70=115 | | 27(5x-2)-36(4x+1)=12(x+3) | | 5=12w+9 | | 3x/5=2x/5=10 | | -n+6n+19+4=0 | | 5p-9=18-4p | | (9x-2)=(7x+9) | | 2x-22=6x+10 | | 6x-18=-12 | | Y=.25-1 |