If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 11x + -72 = 0 Reorder the terms: -72 + 11x + x2 = 0 Solving -72 + 11x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '72' to each side of the equation. -72 + 11x + 72 + x2 = 0 + 72 Reorder the terms: -72 + 72 + 11x + x2 = 0 + 72 Combine like terms: -72 + 72 = 0 0 + 11x + x2 = 0 + 72 11x + x2 = 0 + 72 Combine like terms: 0 + 72 = 72 11x + x2 = 72 The x term is 11x. Take half its coefficient (5.5). Square it (30.25) and add it to both sides. Add '30.25' to each side of the equation. 11x + 30.25 + x2 = 72 + 30.25 Reorder the terms: 30.25 + 11x + x2 = 72 + 30.25 Combine like terms: 72 + 30.25 = 102.25 30.25 + 11x + x2 = 102.25 Factor a perfect square on the left side: (x + 5.5)(x + 5.5) = 102.25 Calculate the square root of the right side: 10.111874208 Break this problem into two subproblems by setting (x + 5.5) equal to 10.111874208 and -10.111874208.Subproblem 1
x + 5.5 = 10.111874208 Simplifying x + 5.5 = 10.111874208 Reorder the terms: 5.5 + x = 10.111874208 Solving 5.5 + x = 10.111874208 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = 10.111874208 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = 10.111874208 + -5.5 x = 10.111874208 + -5.5 Combine like terms: 10.111874208 + -5.5 = 4.611874208 x = 4.611874208 Simplifying x = 4.611874208Subproblem 2
x + 5.5 = -10.111874208 Simplifying x + 5.5 = -10.111874208 Reorder the terms: 5.5 + x = -10.111874208 Solving 5.5 + x = -10.111874208 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = -10.111874208 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = -10.111874208 + -5.5 x = -10.111874208 + -5.5 Combine like terms: -10.111874208 + -5.5 = -15.611874208 x = -15.611874208 Simplifying x = -15.611874208Solution
The solution to the problem is based on the solutions from the subproblems. x = {4.611874208, -15.611874208}
| x^4+6x^3+12x^2+10x+3=0 | | x=-x+1 | | 12x-36=0 | | 12x-3=0 | | x=2*x+1 | | 2x+45=7 | | 8x^2+16x=42 | | 5k^2=60-20k | | 5X^2+20X+1=0 | | 46+2x=60+28 | | 2x+3x=48-23 | | 2c^2+7c= | | 30x^2-11-30=0 | | x^2+10=-3 | | 7.4r-9-2r=18 | | 24a-3(2a-5)=51 | | -v^2=6v-2 | | 4x-52=64-20 | | 30x^2-18x=0 | | 9x^3y^3-9x^4y^2+36x^2y^3-36x^3y^2= | | 5y-2=8+3y | | 3(p-2)=15 | | 7x^2-11x-30=0 | | -3y-5+2y+6=-4 | | x^2+10x=-3 | | 3x^2+18x+27=0 | | 6v^2+34=-40 | | y=7.34-0.031(40) | | 5x-24=3x+12 | | y=7.34-0.031(10) | | 4x^2+40x+100=0 | | 130000*2.25= |