If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -0.2x2 + 26x + 280 = 1000 Reorder the terms: 280 + 26x + -0.2x2 = 1000 Solving 280 + 26x + -0.2x2 = 1000 Solving for variable 'x'. Reorder the terms: 280 + -1000 + 26x + -0.2x2 = 1000 + -1000 Combine like terms: 280 + -1000 = -720 -720 + 26x + -0.2x2 = 1000 + -1000 Combine like terms: 1000 + -1000 = 0 -720 + 26x + -0.2x2 = 0 Begin completing the square. Divide all terms by -0.2 the coefficient of the squared term: Divide each side by '-0.2'. 3600 + -130x + x2 = 0 Move the constant term to the right: Add '-3600' to each side of the equation. 3600 + -130x + -3600 + x2 = 0 + -3600 Reorder the terms: 3600 + -3600 + -130x + x2 = 0 + -3600 Combine like terms: 3600 + -3600 = 0 0 + -130x + x2 = 0 + -3600 -130x + x2 = 0 + -3600 Combine like terms: 0 + -3600 = -3600 -130x + x2 = -3600 The x term is -130x. Take half its coefficient (-65). Square it (4225) and add it to both sides. Add '4225' to each side of the equation. -130x + 4225 + x2 = -3600 + 4225 Reorder the terms: 4225 + -130x + x2 = -3600 + 4225 Combine like terms: -3600 + 4225 = 625 4225 + -130x + x2 = 625 Factor a perfect square on the left side: (x + -65)(x + -65) = 625 Calculate the square root of the right side: 25 Break this problem into two subproblems by setting (x + -65) equal to 25 and -25.Subproblem 1
x + -65 = 25 Simplifying x + -65 = 25 Reorder the terms: -65 + x = 25 Solving -65 + x = 25 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '65' to each side of the equation. -65 + 65 + x = 25 + 65 Combine like terms: -65 + 65 = 0 0 + x = 25 + 65 x = 25 + 65 Combine like terms: 25 + 65 = 90 x = 90 Simplifying x = 90Subproblem 2
x + -65 = -25 Simplifying x + -65 = -25 Reorder the terms: -65 + x = -25 Solving -65 + x = -25 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '65' to each side of the equation. -65 + 65 + x = -25 + 65 Combine like terms: -65 + 65 = 0 0 + x = -25 + 65 x = -25 + 65 Combine like terms: -25 + 65 = 40 x = 40 Simplifying x = 40Solution
The solution to the problem is based on the solutions from the subproblems. x = {90, 40}
| -0.2x^2+26x+720=1000 | | 16/2=t/7 | | -8b+36b=-3b+8 | | 2x/5=7/3 | | 7=r+4 | | S-8=-2 | | 6.66*x=60 | | 23q+10q-32q+5q=24 | | w+2w+4w-4w+2w=10 | | w+2w+4w+2w=10 | | 5c^4+60c=0 | | 3x+4x+14=35 | | x-2/3=2/9 | | x=0.5(x)+15 | | 29n-11n-15n+n-1=39 | | 13+2*4-2x+4x=3*7+4*8 | | q-q+q+1=17 | | m(l)=0.5l+15 | | (4u^2-7u+6)(2u-3)= | | 12/x-7=6/x-7 | | m+12=-7 | | m(l)=0.5+15 | | 2x+3=11-3x | | 19z-7z+2z-12z=18 | | x^2+6x+y^2+16y=0 | | 5x+50=145 | | x^2+6x+y^2-16y=0 | | 1/x-3=4-1/x-2 | | -6=8+w | | 13p-9p-2p-p=11 | | 21+3x=32 | | 2w+3w+3w=8 |