If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + -7x + -45 = 0 Reorder the terms: -45 + -7x + x2 = 0 Solving -45 + -7x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '45' to each side of the equation. -45 + -7x + 45 + x2 = 0 + 45 Reorder the terms: -45 + 45 + -7x + x2 = 0 + 45 Combine like terms: -45 + 45 = 0 0 + -7x + x2 = 0 + 45 -7x + x2 = 0 + 45 Combine like terms: 0 + 45 = 45 -7x + x2 = 45 The x term is -7x. Take half its coefficient (-3.5). Square it (12.25) and add it to both sides. Add '12.25' to each side of the equation. -7x + 12.25 + x2 = 45 + 12.25 Reorder the terms: 12.25 + -7x + x2 = 45 + 12.25 Combine like terms: 45 + 12.25 = 57.25 12.25 + -7x + x2 = 57.25 Factor a perfect square on the left side: (x + -3.5)(x + -3.5) = 57.25 Calculate the square root of the right side: 7.566372975 Break this problem into two subproblems by setting (x + -3.5) equal to 7.566372975 and -7.566372975.Subproblem 1
x + -3.5 = 7.566372975 Simplifying x + -3.5 = 7.566372975 Reorder the terms: -3.5 + x = 7.566372975 Solving -3.5 + x = 7.566372975 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = 7.566372975 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = 7.566372975 + 3.5 x = 7.566372975 + 3.5 Combine like terms: 7.566372975 + 3.5 = 11.066372975 x = 11.066372975 Simplifying x = 11.066372975Subproblem 2
x + -3.5 = -7.566372975 Simplifying x + -3.5 = -7.566372975 Reorder the terms: -3.5 + x = -7.566372975 Solving -3.5 + x = -7.566372975 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = -7.566372975 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = -7.566372975 + 3.5 x = -7.566372975 + 3.5 Combine like terms: -7.566372975 + 3.5 = -4.066372975 x = -4.066372975 Simplifying x = -4.066372975Solution
The solution to the problem is based on the solutions from the subproblems. x = {11.066372975, -4.066372975}
| 4.3x=28.81 | | 6(b+2)-6=30 | | 18X^2-18=0 | | x^3-4x^2-7x+10=0 | | (X+6)(3x-8)= | | 22X+4X=130 | | X^2+4x+4=-3 | | 15a-5a-3=37 | | 15a-5a-3=27 | | 8x+14=-18 | | X-67.5=24.81 | | 4x^3-8x^2-48x=0 | | -x-2(6+8x)=107 | | 6(a-2)=24 | | 78+x=147 | | 2x^2-5x-25=x^2-10x+25 | | 8x-3=3x+17 | | 2x+5y=-11 | | a+4a-5=30 | | y^2+8y+15=0 | | a+44-5=30 | | 2x^2-7x-20=x^2-10x+25 | | 8(x-4)=-2(x+6) | | 4y+-7=15+12y+3x | | 7x=5x+4 | | 8(x-1)=-2(x+19) | | 2x+1=3x-2 | | 9h-18=-9 | | 9x^3+10x^2-17x-2=0 | | y+2(0)=5 | | 12x^2+3x=0 | | 9(x-7)=-3(x+53) |