If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + -15x + 28 = 0 Reorder the terms: 28 + -15x + 7x2 = 0 Solving 28 + -15x + 7x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 4 + -2.142857143x + x2 = 0 Move the constant term to the right: Add '-4' to each side of the equation. 4 + -2.142857143x + -4 + x2 = 0 + -4 Reorder the terms: 4 + -4 + -2.142857143x + x2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -2.142857143x + x2 = 0 + -4 -2.142857143x + x2 = 0 + -4 Combine like terms: 0 + -4 = -4 -2.142857143x + x2 = -4 The x term is -2.142857143x. Take half its coefficient (-1.071428572). Square it (1.147959185) and add it to both sides. Add '1.147959185' to each side of the equation. -2.142857143x + 1.147959185 + x2 = -4 + 1.147959185 Reorder the terms: 1.147959185 + -2.142857143x + x2 = -4 + 1.147959185 Combine like terms: -4 + 1.147959185 = -2.852040815 1.147959185 + -2.142857143x + x2 = -2.852040815 Factor a perfect square on the left side: (x + -1.071428572)(x + -1.071428572) = -2.852040815 Can't calculate square root of the right side. The solution to this equation could not be determined.
| x(9x+50)=35-3x(1+3x) | | 3logx+1=7 | | 3lgx+1=7 | | n(12)+n(12)-3=396 | | 12n+12N-3=396 | | X-3=25+2(-5x)+x*x | | x-3=25-2(-5x)+x*x | | y=3(6a+4b) | | 10x=2y | | 8-x+1=-3 | | -17(x*-1(x))*x=0 | | -17*x*-1(x)*x=0 | | x^2+24=x^2+1+2x-25 | | 14(15q+6)= | | 21=5a+6 | | (X-2)-5(x+3)=x-6(x-5) | | -5(2-x)-7x=8 | | 36(6)-3(25)=7y | | .3+.50x=2x-1.8 | | .78+.4=2x | | 36-8x+11=-3 | | 5sinx=8cosx | | 18x-15=24 | | 6-4x-3x-2+9x= | | 16x-8x=56 | | 7(X+8)+10=30 | | 8(x+2)=34 | | y-0.1y= | | -5m+8m= | | 10-b=-11 | | 3-a=-5 | | 15x+20y=100 |