If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + -5x + 4(-9x + 4) = 0 Reorder the terms: 7x2 + -5x + 4(4 + -9x) = 0 7x2 + -5x + (4 * 4 + -9x * 4) = 0 7x2 + -5x + (16 + -36x) = 0 Reorder the terms: 16 + -5x + -36x + 7x2 = 0 Combine like terms: -5x + -36x = -41x 16 + -41x + 7x2 = 0 Solving 16 + -41x + 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'. 2.285714286 + -5.857142857x + x2 = 0 Move the constant term to the right: Add '-2.285714286' to each side of the equation. 2.285714286 + -5.857142857x + -2.285714286 + x2 = 0 + -2.285714286 Reorder the terms: 2.285714286 + -2.285714286 + -5.857142857x + x2 = 0 + -2.285714286 Combine like terms: 2.285714286 + -2.285714286 = 0.000000000 0.000000000 + -5.857142857x + x2 = 0 + -2.285714286 -5.857142857x + x2 = 0 + -2.285714286 Combine like terms: 0 + -2.285714286 = -2.285714286 -5.857142857x + x2 = -2.285714286 The x term is -5.857142857x. Take half its coefficient (-2.928571429). Square it (8.576530615) and add it to both sides. Add '8.576530615' to each side of the equation. -5.857142857x + 8.576530615 + x2 = -2.285714286 + 8.576530615 Reorder the terms: 8.576530615 + -5.857142857x + x2 = -2.285714286 + 8.576530615 Combine like terms: -2.285714286 + 8.576530615 = 6.290816329 8.576530615 + -5.857142857x + x2 = 6.290816329 Factor a perfect square on the left side: (x + -2.928571429)(x + -2.928571429) = 6.290816329 Calculate the square root of the right side: 2.508149981 Break this problem into two subproblems by setting (x + -2.928571429) equal to 2.508149981 and -2.508149981.Subproblem 1
x + -2.928571429 = 2.508149981 Simplifying x + -2.928571429 = 2.508149981 Reorder the terms: -2.928571429 + x = 2.508149981 Solving -2.928571429 + x = 2.508149981 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.928571429' to each side of the equation. -2.928571429 + 2.928571429 + x = 2.508149981 + 2.928571429 Combine like terms: -2.928571429 + 2.928571429 = 0.000000000 0.000000000 + x = 2.508149981 + 2.928571429 x = 2.508149981 + 2.928571429 Combine like terms: 2.508149981 + 2.928571429 = 5.43672141 x = 5.43672141 Simplifying x = 5.43672141Subproblem 2
x + -2.928571429 = -2.508149981 Simplifying x + -2.928571429 = -2.508149981 Reorder the terms: -2.928571429 + x = -2.508149981 Solving -2.928571429 + x = -2.508149981 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.928571429' to each side of the equation. -2.928571429 + 2.928571429 + x = -2.508149981 + 2.928571429 Combine like terms: -2.928571429 + 2.928571429 = 0.000000000 0.000000000 + x = -2.508149981 + 2.928571429 x = -2.508149981 + 2.928571429 Combine like terms: -2.508149981 + 2.928571429 = 0.420421448 x = 0.420421448 Simplifying x = 0.420421448Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.43672141, 0.420421448}
| (4x+12)(x-6)=0 | | x^4+px^3+qx^2+rx+s=0 | | (x+9)(4x^2-7x+3)=0 | | -9+x+3x=3 | | (x-5)(9x^2-8x-7)=0 | | k/2+6=9 | | -x-5+3x=9 | | -8x+4y=44 | | -x-5+3x=8 | | 2(x+7)=2x+14 | | (x-2)(4x^2+2x-3)=0 | | 3(x+6)=4(x-2) | | 8x-(5x-1)=1.999 | | (10x^6+8x^4)/(2x^2) | | (x^2)+40=-14x | | (x+8)(8x^2-7x+9)=0 | | -5-x+3x=3 | | 22x+3=68 | | f(x)=-x^2+12x+7 | | (2x+4)x^2=0 | | x+13=3x-20 | | 7/(x^2-12x+36) | | 5/(x-6) | | 5=6(a-5)-19 | | 3x+2x-22=8 | | n^2(-7n+5n-6)=0 | | h=68t-4.9t^2 | | -1=(1/4)s | | 2-3T=-14 | | 2-3T=14 | | 6x^2+132x+726=0 | | 8x-18=4x+22 |