If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 5x2 + x + 2x2 + 7x + -4 = 0 Reorder the terms: -4 + x + 7x + 5x2 + 2x2 = 0 Combine like terms: x + 7x = 8x -4 + 8x + 5x2 + 2x2 = 0 Combine like terms: 5x2 + 2x2 = 7x2 -4 + 8x + 7x2 = 0 Solving -4 + 8x + 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'. -0.5714285714 + 1.142857143x + x2 = 0 Move the constant term to the right: Add '0.5714285714' to each side of the equation. -0.5714285714 + 1.142857143x + 0.5714285714 + x2 = 0 + 0.5714285714 Reorder the terms: -0.5714285714 + 0.5714285714 + 1.142857143x + x2 = 0 + 0.5714285714 Combine like terms: -0.5714285714 + 0.5714285714 = 0.0000000000 0.0000000000 + 1.142857143x + x2 = 0 + 0.5714285714 1.142857143x + x2 = 0 + 0.5714285714 Combine like terms: 0 + 0.5714285714 = 0.5714285714 1.142857143x + x2 = 0.5714285714 The x term is 1.142857143x. Take half its coefficient (0.5714285715). Square it (0.3265306123) and add it to both sides. Add '0.3265306123' to each side of the equation. 1.142857143x + 0.3265306123 + x2 = 0.5714285714 + 0.3265306123 Reorder the terms: 0.3265306123 + 1.142857143x + x2 = 0.5714285714 + 0.3265306123 Combine like terms: 0.5714285714 + 0.3265306123 = 0.8979591837 0.3265306123 + 1.142857143x + x2 = 0.8979591837 Factor a perfect square on the left side: (x + 0.5714285715)(x + 0.5714285715) = 0.8979591837 Calculate the square root of the right side: 0.947607083 Break this problem into two subproblems by setting (x + 0.5714285715) equal to 0.947607083 and -0.947607083.Subproblem 1
x + 0.5714285715 = 0.947607083 Simplifying x + 0.5714285715 = 0.947607083 Reorder the terms: 0.5714285715 + x = 0.947607083 Solving 0.5714285715 + x = 0.947607083 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5714285715' to each side of the equation. 0.5714285715 + -0.5714285715 + x = 0.947607083 + -0.5714285715 Combine like terms: 0.5714285715 + -0.5714285715 = 0.0000000000 0.0000000000 + x = 0.947607083 + -0.5714285715 x = 0.947607083 + -0.5714285715 Combine like terms: 0.947607083 + -0.5714285715 = 0.3761785115 x = 0.3761785115 Simplifying x = 0.3761785115Subproblem 2
x + 0.5714285715 = -0.947607083 Simplifying x + 0.5714285715 = -0.947607083 Reorder the terms: 0.5714285715 + x = -0.947607083 Solving 0.5714285715 + x = -0.947607083 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5714285715' to each side of the equation. 0.5714285715 + -0.5714285715 + x = -0.947607083 + -0.5714285715 Combine like terms: 0.5714285715 + -0.5714285715 = 0.0000000000 0.0000000000 + x = -0.947607083 + -0.5714285715 x = -0.947607083 + -0.5714285715 Combine like terms: -0.947607083 + -0.5714285715 = -1.5190356545 x = -1.5190356545 Simplifying x = -1.5190356545Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.3761785115, -1.5190356545}
| ((2x)(3X))+4=28 | | 7s+s= | | 50-7r=15 | | (x-7)(x-7)=9 | | -3-k=-(1+3k) | | 3(y-7)=27-8y | | 4=-1/2(4)+2 | | -4(3x-2y)= | | x-20=40 | | 9x+3(4x-6)=25-(x+3) | | h^2+10h+21=0 | | 12-(11a)=45 | | 81w^2+72w+16= | | 3n-20=4(3n+4) | | x^2+5x+5=4x^2+6x-5 | | -2(3)(8)= | | 33+.33n=.99n | | -2(3t)= | | 4(3x+2y)= | | 2x+9=x+17 | | -40-15x=-8x+23 | | 2x^3+5x^2-2x=5 | | .33(1-8x)=2 | | -4(5-8x)+6x=10+8x | | 4x+5=31 | | 7(3-p)=35 | | 3(2x)-4x=x+16 | | -83/8+61/4= | | 4(x+12)=-2(3x+16) | | 10b=2.70-12b | | x+13=6x-56 | | 3-4p=-3(-4p-2)-3 |