If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + -9x + 1 = 0 Reorder the terms: 1 + -9x + 7x2 = 0 Solving 1 + -9x + 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'. 0.1428571429 + -1.285714286x + x2 = 0 Move the constant term to the right: Add '-0.1428571429' to each side of the equation. 0.1428571429 + -1.285714286x + -0.1428571429 + x2 = 0 + -0.1428571429 Reorder the terms: 0.1428571429 + -0.1428571429 + -1.285714286x + x2 = 0 + -0.1428571429 Combine like terms: 0.1428571429 + -0.1428571429 = 0.0000000000 0.0000000000 + -1.285714286x + x2 = 0 + -0.1428571429 -1.285714286x + x2 = 0 + -0.1428571429 Combine like terms: 0 + -0.1428571429 = -0.1428571429 -1.285714286x + x2 = -0.1428571429 The x term is -1.285714286x. Take half its coefficient (-0.642857143). Square it (0.4132653063) and add it to both sides. Add '0.4132653063' to each side of the equation. -1.285714286x + 0.4132653063 + x2 = -0.1428571429 + 0.4132653063 Reorder the terms: 0.4132653063 + -1.285714286x + x2 = -0.1428571429 + 0.4132653063 Combine like terms: -0.1428571429 + 0.4132653063 = 0.2704081634 0.4132653063 + -1.285714286x + x2 = 0.2704081634 Factor a perfect square on the left side: (x + -0.642857143)(x + -0.642857143) = 0.2704081634 Calculate the square root of the right side: 0.520007849 Break this problem into two subproblems by setting (x + -0.642857143) equal to 0.520007849 and -0.520007849.Subproblem 1
x + -0.642857143 = 0.520007849 Simplifying x + -0.642857143 = 0.520007849 Reorder the terms: -0.642857143 + x = 0.520007849 Solving -0.642857143 + x = 0.520007849 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.642857143' to each side of the equation. -0.642857143 + 0.642857143 + x = 0.520007849 + 0.642857143 Combine like terms: -0.642857143 + 0.642857143 = 0.000000000 0.000000000 + x = 0.520007849 + 0.642857143 x = 0.520007849 + 0.642857143 Combine like terms: 0.520007849 + 0.642857143 = 1.162864992 x = 1.162864992 Simplifying x = 1.162864992Subproblem 2
x + -0.642857143 = -0.520007849 Simplifying x + -0.642857143 = -0.520007849 Reorder the terms: -0.642857143 + x = -0.520007849 Solving -0.642857143 + x = -0.520007849 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.642857143' to each side of the equation. -0.642857143 + 0.642857143 + x = -0.520007849 + 0.642857143 Combine like terms: -0.642857143 + 0.642857143 = 0.000000000 0.000000000 + x = -0.520007849 + 0.642857143 x = -0.520007849 + 0.642857143 Combine like terms: -0.520007849 + 0.642857143 = 0.122849294 x = 0.122849294 Simplifying x = 0.122849294Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.162864992, 0.122849294}
| 3n+4=-5 | | (7x^3-8x^2+3x+1)-(8x^3+7x^2-2)= | | x+(35+x)+(-36+3*x)=941 | | x^2+2x+1=15 | | 15x=x^2 | | 7-(5x-8)=4x+3 | | -x^2+4x=5 | | 0.2+0.8=1 | | 4x^2-8x=1 | | h/4+5=7 | | 1+1=897n | | -10=2n+2 | | N+-6=2 | | x^2+7=-300 | | -2(6-x)-x=5x-1+x | | N=2-2n | | .29+.23n=1.90 | | 6(x+1)=12 | | 5x+3=12x-7x^2 | | 4(2-k)=-1(6k-5) | | 6(z-6)=7z-3 | | 4x+3=7x+9 | | V^2-6v+7=0 | | 8-m+6m=-4(2m-3) | | -v^2+6v-7=0 | | -14k=-126 | | B=-4(c-2d) | | w(w+5)=750 | | 3m+4n=-12 | | 5x^2-16x+15=4x-5 | | -2(9x+3)-7x=10x-(12x+9) | | 5x+6=3x+10 |