If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x * x + -8x + -7 = 0 Multiply x * x x2 + -8x + -7 = 0 Reorder the terms: -7 + -8x + x2 = 0 Solving -7 + -8x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '7' to each side of the equation. -7 + -8x + 7 + x2 = 0 + 7 Reorder the terms: -7 + 7 + -8x + x2 = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -8x + x2 = 0 + 7 -8x + x2 = 0 + 7 Combine like terms: 0 + 7 = 7 -8x + x2 = 7 The x term is -8x. Take half its coefficient (-4). Square it (16) and add it to both sides. Add '16' to each side of the equation. -8x + 16 + x2 = 7 + 16 Reorder the terms: 16 + -8x + x2 = 7 + 16 Combine like terms: 7 + 16 = 23 16 + -8x + x2 = 23 Factor a perfect square on the left side: (x + -4)(x + -4) = 23 Calculate the square root of the right side: 4.795831523 Break this problem into two subproblems by setting (x + -4) equal to 4.795831523 and -4.795831523.Subproblem 1
x + -4 = 4.795831523 Simplifying x + -4 = 4.795831523 Reorder the terms: -4 + x = 4.795831523 Solving -4 + x = 4.795831523 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = 4.795831523 + 4 Combine like terms: -4 + 4 = 0 0 + x = 4.795831523 + 4 x = 4.795831523 + 4 Combine like terms: 4.795831523 + 4 = 8.795831523 x = 8.795831523 Simplifying x = 8.795831523Subproblem 2
x + -4 = -4.795831523 Simplifying x + -4 = -4.795831523 Reorder the terms: -4 + x = -4.795831523 Solving -4 + x = -4.795831523 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = -4.795831523 + 4 Combine like terms: -4 + 4 = 0 0 + x = -4.795831523 + 4 x = -4.795831523 + 4 Combine like terms: -4.795831523 + 4 = -0.795831523 x = -0.795831523 Simplifying x = -0.795831523Solution
The solution to the problem is based on the solutions from the subproblems. x = {8.795831523, -0.795831523}
| y=m^2-9m+8 | | f(x)=x^2-13x | | 6w-36=3w+30 | | 16-4(x+3)=12x+4x | | (4x^2+6x)+(6x+9)= | | 15x+13=148 | | 53=2x-5(3x+18) | | 3(X-4)+4+R=4(X+3)+X | | 5(-5x+7)=5(6x+2) | | 6(3y-2)=-(-3y+5) | | -2a-6=4a-2 | | 3(-3x-6)=3(-8x+4) | | -14=-84 | | a^2-54=-5 | | 8(3x+6)=8(7x-5) | | 291=a-25 | | -7x^2+84x=0 | | 4(x+1)+x(x+1)= | | 4x+8+9x-43+8x+9+5x+48=360 | | (2y^2-6xy)dx(3xy-4x^2)dy=0 | | 8x+3(4120-x)=700 | | 3(3x+9)=27 | | 36-54y=23 | | 3y^2-9y-120=0 | | 17.8+11.9=16.1u | | lnx=8.8 | | 6x-3(4x-14)=72 | | Y=ln*3x | | 3x^2y+9xy^2+6xy=0 | | -9.8t+19.98=15.2t-19.83+17.31 | | 67+8x=-6x-101 | | x+3=x-3(x-3+16) |