If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -3x2 + 5x + -1 = -7 Reorder the terms: -1 + 5x + -3x2 = -7 Solving -1 + 5x + -3x2 = -7 Solving for variable 'x'. Reorder the terms: -1 + 7 + 5x + -3x2 = -7 + 7 Combine like terms: -1 + 7 = 6 6 + 5x + -3x2 = -7 + 7 Combine like terms: -7 + 7 = 0 6 + 5x + -3x2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -2 + -1.666666667x + x2 = 0 Move the constant term to the right: Add '2' to each side of the equation. -2 + -1.666666667x + 2 + x2 = 0 + 2 Reorder the terms: -2 + 2 + -1.666666667x + x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1.666666667x + x2 = 0 + 2 -1.666666667x + x2 = 0 + 2 Combine like terms: 0 + 2 = 2 -1.666666667x + x2 = 2 The x term is -1.666666667x. Take half its coefficient (-0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. -1.666666667x + 0.6944444447 + x2 = 2 + 0.6944444447 Reorder the terms: 0.6944444447 + -1.666666667x + x2 = 2 + 0.6944444447 Combine like terms: 2 + 0.6944444447 = 2.6944444447 0.6944444447 + -1.666666667x + x2 = 2.6944444447 Factor a perfect square on the left side: (x + -0.8333333335)(x + -0.8333333335) = 2.6944444447 Calculate the square root of the right side: 1.6414763 Break this problem into two subproblems by setting (x + -0.8333333335) equal to 1.6414763 and -1.6414763.Subproblem 1
x + -0.8333333335 = 1.6414763 Simplifying x + -0.8333333335 = 1.6414763 Reorder the terms: -0.8333333335 + x = 1.6414763 Solving -0.8333333335 + x = 1.6414763 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.8333333335' to each side of the equation. -0.8333333335 + 0.8333333335 + x = 1.6414763 + 0.8333333335 Combine like terms: -0.8333333335 + 0.8333333335 = 0.0000000000 0.0000000000 + x = 1.6414763 + 0.8333333335 x = 1.6414763 + 0.8333333335 Combine like terms: 1.6414763 + 0.8333333335 = 2.4748096335 x = 2.4748096335 Simplifying x = 2.4748096335Subproblem 2
x + -0.8333333335 = -1.6414763 Simplifying x + -0.8333333335 = -1.6414763 Reorder the terms: -0.8333333335 + x = -1.6414763 Solving -0.8333333335 + x = -1.6414763 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.8333333335' to each side of the equation. -0.8333333335 + 0.8333333335 + x = -1.6414763 + 0.8333333335 Combine like terms: -0.8333333335 + 0.8333333335 = 0.0000000000 0.0000000000 + x = -1.6414763 + 0.8333333335 x = -1.6414763 + 0.8333333335 Combine like terms: -1.6414763 + 0.8333333335 = -0.8081429665 x = -0.8081429665 Simplifying x = -0.8081429665Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.4748096335, -0.8081429665}
| Z-123=238 | | sqrtm-1+5=m-2 | | 6r-r+8(15-r)23-66=0 | | 8m-1=3m+9 | | 120=x/200*100 | | P=4-2(-7) | | 0*x^2-3x= | | 3.75x^2+2x-19=0 | | 5=12n+12n | | 1*-2+2= | | 100t^3-10000t-3600=0 | | x-4+x+2= | | 12+4=5c | | Y-(4/5)=(-7/10) | | 32-7w=w | | -2/5x1/7x11/4 | | 3v=27-6v | | 3x^2+5y-6= | | 7=6.75b+4 | | Y-4/5=-7/10 | | 57=21+9x | | 2n+(1)=5 | | 2x-80+3x=180 | | 5+4TAN(X)=1 | | 1m+88-2=4m+52+2 | | (4x-24.6)+(x+11.3)=90 | | 2x+3y=17 | | 3.1-5y/2 | | 4*3.5=n/5 | | 20=20-16x^2+32x | | 2.70=10-12b | | 4*3/5=n/5 |