If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + -5 + 3x = 0 Reorder the terms: -5 + 3x + 7x2 = 0 Solving -5 + 3x + 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'. -0.7142857143 + 0.4285714286x + x2 = 0 Move the constant term to the right: Add '0.7142857143' to each side of the equation. -0.7142857143 + 0.4285714286x + 0.7142857143 + x2 = 0 + 0.7142857143 Reorder the terms: -0.7142857143 + 0.7142857143 + 0.4285714286x + x2 = 0 + 0.7142857143 Combine like terms: -0.7142857143 + 0.7142857143 = 0.0000000000 0.0000000000 + 0.4285714286x + x2 = 0 + 0.7142857143 0.4285714286x + x2 = 0 + 0.7142857143 Combine like terms: 0 + 0.7142857143 = 0.7142857143 0.4285714286x + x2 = 0.7142857143 The x term is 0.4285714286x. Take half its coefficient (0.2142857143). Square it (0.04591836735) and add it to both sides. Add '0.04591836735' to each side of the equation. 0.4285714286x + 0.04591836735 + x2 = 0.7142857143 + 0.04591836735 Reorder the terms: 0.04591836735 + 0.4285714286x + x2 = 0.7142857143 + 0.04591836735 Combine like terms: 0.7142857143 + 0.04591836735 = 0.76020408165 0.04591836735 + 0.4285714286x + x2 = 0.76020408165 Factor a perfect square on the left side: (x + 0.2142857143)(x + 0.2142857143) = 0.76020408165 Calculate the square root of the right side: 0.87189683 Break this problem into two subproblems by setting (x + 0.2142857143) equal to 0.87189683 and -0.87189683.Subproblem 1
x + 0.2142857143 = 0.87189683 Simplifying x + 0.2142857143 = 0.87189683 Reorder the terms: 0.2142857143 + x = 0.87189683 Solving 0.2142857143 + x = 0.87189683 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2142857143' to each side of the equation. 0.2142857143 + -0.2142857143 + x = 0.87189683 + -0.2142857143 Combine like terms: 0.2142857143 + -0.2142857143 = 0.0000000000 0.0000000000 + x = 0.87189683 + -0.2142857143 x = 0.87189683 + -0.2142857143 Combine like terms: 0.87189683 + -0.2142857143 = 0.6576111157 x = 0.6576111157 Simplifying x = 0.6576111157Subproblem 2
x + 0.2142857143 = -0.87189683 Simplifying x + 0.2142857143 = -0.87189683 Reorder the terms: 0.2142857143 + x = -0.87189683 Solving 0.2142857143 + x = -0.87189683 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2142857143' to each side of the equation. 0.2142857143 + -0.2142857143 + x = -0.87189683 + -0.2142857143 Combine like terms: 0.2142857143 + -0.2142857143 = 0.0000000000 0.0000000000 + x = -0.87189683 + -0.2142857143 x = -0.87189683 + -0.2142857143 Combine like terms: -0.87189683 + -0.2142857143 = -1.0861825443 x = -1.0861825443 Simplifying x = -1.0861825443Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.6576111157, -1.0861825443}
| 9x-(2x-3)=3(x+1)+4 | | 47-(3+6)*5+1= | | 7k-8k+5k= | | 0.65+0.15t=2.01t-0.59 | | 6x=685-11y | | -102=3x-3(-3x-2) | | 3x+2(4y+x)= | | 7/2x8/3 | | -7x+3=8 | | 16=2x+2x-9 | | y=28x+35 | | -x^2+16x-55= | | 124=3x-4(-x-10) | | y=28x+25 | | 3(2-3r)=33 | | -3(5y-9)-y=-2(y-5) | | 109.76=196-r(196) | | -14=28 | | 58+11x=4x-152 | | (8g+4h)(8g-4h)=0 | | 9=-(r-5)+9 | | 7y-4=5y+9 | | =6xln(9x)-6x | | -52-12x=-196 | | 5(-7n-7)=5n-35 | | -52-2x=-196 | | -x^2-x+12= | | sex+porn= | | -x^2-x+12=equation | | 30x=88200 | | 7-8a=6 | | sin(2x)-cos(x)=0 |