If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -40x + x2 = 450 Solving -40x + x2 = 450 Solving for variable 'x'. Reorder the terms: -450 + -40x + x2 = 450 + -450 Combine like terms: 450 + -450 = 0 -450 + -40x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '450' to each side of the equation. -450 + -40x + 450 + x2 = 0 + 450 Reorder the terms: -450 + 450 + -40x + x2 = 0 + 450 Combine like terms: -450 + 450 = 0 0 + -40x + x2 = 0 + 450 -40x + x2 = 0 + 450 Combine like terms: 0 + 450 = 450 -40x + x2 = 450 The x term is -40x. Take half its coefficient (-20). Square it (400) and add it to both sides. Add '400' to each side of the equation. -40x + 400 + x2 = 450 + 400 Reorder the terms: 400 + -40x + x2 = 450 + 400 Combine like terms: 450 + 400 = 850 400 + -40x + x2 = 850 Factor a perfect square on the left side: (x + -20)(x + -20) = 850 Calculate the square root of the right side: 29.154759474 Break this problem into two subproblems by setting (x + -20) equal to 29.154759474 and -29.154759474.Subproblem 1
x + -20 = 29.154759474 Simplifying x + -20 = 29.154759474 Reorder the terms: -20 + x = 29.154759474 Solving -20 + x = 29.154759474 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + x = 29.154759474 + 20 Combine like terms: -20 + 20 = 0 0 + x = 29.154759474 + 20 x = 29.154759474 + 20 Combine like terms: 29.154759474 + 20 = 49.154759474 x = 49.154759474 Simplifying x = 49.154759474Subproblem 2
x + -20 = -29.154759474 Simplifying x + -20 = -29.154759474 Reorder the terms: -20 + x = -29.154759474 Solving -20 + x = -29.154759474 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + x = -29.154759474 + 20 Combine like terms: -20 + 20 = 0 0 + x = -29.154759474 + 20 x = -29.154759474 + 20 Combine like terms: -29.154759474 + 20 = -9.154759474 x = -9.154759474 Simplifying x = -9.154759474Solution
The solution to the problem is based on the solutions from the subproblems. x = {49.154759474, -9.154759474}
| x^2-40x=450 | | 1/6x+8y=191/3 | | 12m+2n-6m+11n= | | 5x-2=7x-2 | | 7x-3=7x+2 | | 4x^2-25x+31=-5x+10 | | -7x+9=15x+3 | | 3*5-4/2*3+1 | | 3*5-4/2*3+1 | | 10X+3=30 | | 2A+3=18 | | 32+4y+28=0 | | (X)2-2(x)(5)+(5)2= | | x-5(-2x+21)=-39 | | x-12=8939393 | | 4a^8b^5/16a^4b^-5 | | 1/2x^2-4=0 | | 13-24= | | x+5=x/2 | | (2x^2+1)/(x^2-1) | | X=121 | | -6(3p+4)-20=5(2p+8) | | 8(c-4)+9=5+c-28 | | -24+2k=k-3k | | 68-6x=11-10x | | v=3.14/2h | | 10.8-.2w=7.2 | | 1/15x=4/5 | | 20.00-1.45=1.15 | | 10.8-0.2w=9 | | 0.13x+0.03(50000-x)=5000 | | 1.00/5.00(750.00+x)=350 |