If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 28x + -1239 = 0 Reorder the terms: -1239 + 28x + x2 = 0 Solving -1239 + 28x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '1239' to each side of the equation. -1239 + 28x + 1239 + x2 = 0 + 1239 Reorder the terms: -1239 + 1239 + 28x + x2 = 0 + 1239 Combine like terms: -1239 + 1239 = 0 0 + 28x + x2 = 0 + 1239 28x + x2 = 0 + 1239 Combine like terms: 0 + 1239 = 1239 28x + x2 = 1239 The x term is 28x. Take half its coefficient (14). Square it (196) and add it to both sides. Add '196' to each side of the equation. 28x + 196 + x2 = 1239 + 196 Reorder the terms: 196 + 28x + x2 = 1239 + 196 Combine like terms: 1239 + 196 = 1435 196 + 28x + x2 = 1435 Factor a perfect square on the left side: (x + 14)(x + 14) = 1435 Calculate the square root of the right side: 37.88139385 Break this problem into two subproblems by setting (x + 14) equal to 37.88139385 and -37.88139385.Subproblem 1
x + 14 = 37.88139385 Simplifying x + 14 = 37.88139385 Reorder the terms: 14 + x = 37.88139385 Solving 14 + x = 37.88139385 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + x = 37.88139385 + -14 Combine like terms: 14 + -14 = 0 0 + x = 37.88139385 + -14 x = 37.88139385 + -14 Combine like terms: 37.88139385 + -14 = 23.88139385 x = 23.88139385 Simplifying x = 23.88139385Subproblem 2
x + 14 = -37.88139385 Simplifying x + 14 = -37.88139385 Reorder the terms: 14 + x = -37.88139385 Solving 14 + x = -37.88139385 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + x = -37.88139385 + -14 Combine like terms: 14 + -14 = 0 0 + x = -37.88139385 + -14 x = -37.88139385 + -14 Combine like terms: -37.88139385 + -14 = -51.88139385 x = -51.88139385 Simplifying x = -51.88139385Solution
The solution to the problem is based on the solutions from the subproblems. x = {23.88139385, -51.88139385}
| x+z=20 | | h-(-8)=-7 | | 8+2x=22/3 | | 7+2x-4= | | x^2+14x-49=x^2+16x-64 | | -2(2x-(5x+2))=2+(2x+7) | | 15x+y=53 | | 1-2/7x=27/7 | | x=-8y-12 | | y-3-4=0 | | 1-2(4-x)=-3 | | 2-5/x=10/x-1 | | -2n+6n= | | 4n^2+29n-24=0 | | -5-3x=-13/2 | | 2x+2z+2y=54 | | (4x*4x)-4x+1= | | 9b-8=-8 | | 8x+10x= | | 5x-5/8=75/8 | | 1-2(4-x)= | | Y-36=-40 | | 4+w=4w | | (x-2)(x-8)=6 | | -2/7x-5=-43/7 | | 6p-13p+p=-360 | | 2x+(x-1)/2=(5x+3)/3 | | 13+4x=-11 | | n^2-4n-25=0 | | 4x+9/4=45/5 | | Y=-5/4x+7 | | Y=-5/4+7 |