If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + 26x + 12 = 0 Reorder the terms: 12 + 26x + 7x2 = 0 Solving 12 + 26x + 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'. 1.714285714 + 3.714285714x + x2 = 0 Move the constant term to the right: Add '-1.714285714' to each side of the equation. 1.714285714 + 3.714285714x + -1.714285714 + x2 = 0 + -1.714285714 Reorder the terms: 1.714285714 + -1.714285714 + 3.714285714x + x2 = 0 + -1.714285714 Combine like terms: 1.714285714 + -1.714285714 = 0.000000000 0.000000000 + 3.714285714x + x2 = 0 + -1.714285714 3.714285714x + x2 = 0 + -1.714285714 Combine like terms: 0 + -1.714285714 = -1.714285714 3.714285714x + x2 = -1.714285714 The x term is 3.714285714x. Take half its coefficient (1.857142857). Square it (3.448979591) and add it to both sides. Add '3.448979591' to each side of the equation. 3.714285714x + 3.448979591 + x2 = -1.714285714 + 3.448979591 Reorder the terms: 3.448979591 + 3.714285714x + x2 = -1.714285714 + 3.448979591 Combine like terms: -1.714285714 + 3.448979591 = 1.734693877 3.448979591 + 3.714285714x + x2 = 1.734693877 Factor a perfect square on the left side: (x + 1.857142857)(x + 1.857142857) = 1.734693877 Calculate the square root of the right side: 1.317077779 Break this problem into two subproblems by setting (x + 1.857142857) equal to 1.317077779 and -1.317077779.Subproblem 1
x + 1.857142857 = 1.317077779 Simplifying x + 1.857142857 = 1.317077779 Reorder the terms: 1.857142857 + x = 1.317077779 Solving 1.857142857 + x = 1.317077779 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.857142857' to each side of the equation. 1.857142857 + -1.857142857 + x = 1.317077779 + -1.857142857 Combine like terms: 1.857142857 + -1.857142857 = 0.000000000 0.000000000 + x = 1.317077779 + -1.857142857 x = 1.317077779 + -1.857142857 Combine like terms: 1.317077779 + -1.857142857 = -0.540065078 x = -0.540065078 Simplifying x = -0.540065078Subproblem 2
x + 1.857142857 = -1.317077779 Simplifying x + 1.857142857 = -1.317077779 Reorder the terms: 1.857142857 + x = -1.317077779 Solving 1.857142857 + x = -1.317077779 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.857142857' to each side of the equation. 1.857142857 + -1.857142857 + x = -1.317077779 + -1.857142857 Combine like terms: 1.857142857 + -1.857142857 = 0.000000000 0.000000000 + x = -1.317077779 + -1.857142857 x = -1.317077779 + -1.857142857 Combine like terms: -1.317077779 + -1.857142857 = -3.174220636 x = -3.174220636 Simplifying x = -3.174220636Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.540065078, -3.174220636}
| -4(5x-9)=664 | | x^2+y^2-6x-12y-5=0 | | -3(-4x-7)-2(-3x-8)=6(2x+4)-5 | | -8a-7a=-16+a | | 3(3x+8)=249 | | -39-26+x=-39 | | 3x-5+2x+6=21 | | (3x+3)-2=7 | | 2/3x+3/5=-7/10 | | X+100=95 | | 5y-4+y+15=5y+20-2y | | 5(2x-10)+5x=4-3x | | .5(x+13.5)=42 | | 4cos^2(x)+sin^2(2x)= | | 2x+8=x+17 | | .66666667x-1.6666667=.5x+.83333333 | | 3a-b+d= | | -3(7-2x)=5(x+4)-17 | | -3x-7x=50 | | (3x+1)=-2 | | 2.8(x+5.6)=52.08 | | -42=6+6x | | 3x+4x=-6 | | 3y-2y(y+2)=2-2y | | 7x-2=4(3x+5)+3 | | -5.5=55.0 | | -10=5x+6 | | g(x)=4-x | | 10(5c-1)-18=48c+10 | | 36=-41-11x | | r-(4*3)=4r | | k-47.9=21.6 |