If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -7x2 + -6x + 2 = 0 Reorder the terms: 2 + -6x + -7x2 = 0 Solving 2 + -6x + -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'. -0.2857142857 + 0.8571428571x + x2 = 0 Move the constant term to the right: Add '0.2857142857' to each side of the equation. -0.2857142857 + 0.8571428571x + 0.2857142857 + x2 = 0 + 0.2857142857 Reorder the terms: -0.2857142857 + 0.2857142857 + 0.8571428571x + x2 = 0 + 0.2857142857 Combine like terms: -0.2857142857 + 0.2857142857 = 0.0000000000 0.0000000000 + 0.8571428571x + x2 = 0 + 0.2857142857 0.8571428571x + x2 = 0 + 0.2857142857 Combine like terms: 0 + 0.2857142857 = 0.2857142857 0.8571428571x + x2 = 0.2857142857 The x term is 0.8571428571x. Take half its coefficient (0.4285714286). Square it (0.1836734694) and add it to both sides. Add '0.1836734694' to each side of the equation. 0.8571428571x + 0.1836734694 + x2 = 0.2857142857 + 0.1836734694 Reorder the terms: 0.1836734694 + 0.8571428571x + x2 = 0.2857142857 + 0.1836734694 Combine like terms: 0.2857142857 + 0.1836734694 = 0.4693877551 0.1836734694 + 0.8571428571x + x2 = 0.4693877551 Factor a perfect square on the left side: (x + 0.4285714286)(x + 0.4285714286) = 0.4693877551 Calculate the square root of the right side: 0.685118789 Break this problem into two subproblems by setting (x + 0.4285714286) equal to 0.685118789 and -0.685118789.Subproblem 1
x + 0.4285714286 = 0.685118789 Simplifying x + 0.4285714286 = 0.685118789 Reorder the terms: 0.4285714286 + x = 0.685118789 Solving 0.4285714286 + x = 0.685118789 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4285714286' to each side of the equation. 0.4285714286 + -0.4285714286 + x = 0.685118789 + -0.4285714286 Combine like terms: 0.4285714286 + -0.4285714286 = 0.0000000000 0.0000000000 + x = 0.685118789 + -0.4285714286 x = 0.685118789 + -0.4285714286 Combine like terms: 0.685118789 + -0.4285714286 = 0.2565473604 x = 0.2565473604 Simplifying x = 0.2565473604Subproblem 2
x + 0.4285714286 = -0.685118789 Simplifying x + 0.4285714286 = -0.685118789 Reorder the terms: 0.4285714286 + x = -0.685118789 Solving 0.4285714286 + x = -0.685118789 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4285714286' to each side of the equation. 0.4285714286 + -0.4285714286 + x = -0.685118789 + -0.4285714286 Combine like terms: 0.4285714286 + -0.4285714286 = 0.0000000000 0.0000000000 + x = -0.685118789 + -0.4285714286 x = -0.685118789 + -0.4285714286 Combine like terms: -0.685118789 + -0.4285714286 = -1.1136902176 x = -1.1136902176 Simplifying x = -1.1136902176Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.2565473604, -1.1136902176}
| a+b+c=13 | | 7x^2-5x+4(-9x+4)=0 | | (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 |