If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + -2.5x = 4 Reorder the terms: -2.5x + x2 = 4 Solving -2.5x + x2 = 4 Solving for variable 'x'. Reorder the terms: -4 + -2.5x + x2 = 4 + -4 Combine like terms: 4 + -4 = 0 -4 + -2.5x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '4' to each side of the equation. -4 + -2.5x + 4 + x2 = 0 + 4 Reorder the terms: -4 + 4 + -2.5x + x2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -2.5x + x2 = 0 + 4 -2.5x + x2 = 0 + 4 Combine like terms: 0 + 4 = 4 -2.5x + x2 = 4 The x term is -2.5x. Take half its coefficient (-1.25). Square it (1.5625) and add it to both sides. Add '1.5625' to each side of the equation. -2.5x + 1.5625 + x2 = 4 + 1.5625 Reorder the terms: 1.5625 + -2.5x + x2 = 4 + 1.5625 Combine like terms: 4 + 1.5625 = 5.5625 1.5625 + -2.5x + x2 = 5.5625 Factor a perfect square on the left side: (x + -1.25)(x + -1.25) = 5.5625 Calculate the square root of the right side: 2.358495283 Break this problem into two subproblems by setting (x + -1.25) equal to 2.358495283 and -2.358495283.Subproblem 1
x + -1.25 = 2.358495283 Simplifying x + -1.25 = 2.358495283 Reorder the terms: -1.25 + x = 2.358495283 Solving -1.25 + x = 2.358495283 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + x = 2.358495283 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + x = 2.358495283 + 1.25 x = 2.358495283 + 1.25 Combine like terms: 2.358495283 + 1.25 = 3.608495283 x = 3.608495283 Simplifying x = 3.608495283Subproblem 2
x + -1.25 = -2.358495283 Simplifying x + -1.25 = -2.358495283 Reorder the terms: -1.25 + x = -2.358495283 Solving -1.25 + x = -2.358495283 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + x = -2.358495283 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + x = -2.358495283 + 1.25 x = -2.358495283 + 1.25 Combine like terms: -2.358495283 + 1.25 = -1.108495283 x = -1.108495283 Simplifying x = -1.108495283Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.608495283, -1.108495283}
| a*4+8=12 | | t*6-2=16 | | 17.5=40-2.5x | | a*5+4=10 | | 0.55(f-32)=14 | | 6ab+8b= | | 0.55(F-32)=-7 | | 40tens= | | x^2+4y^2+6x+12y+18=0 | | x^2+2y^2-8x-3x+4y=0 | | 10(s-9)=-199 | | 2x+3=10-3 | | 290=16t^2 | | (y^2+1)dx+xdy=0 | | 6(c-5)-(7-9c)=-37 | | -4a+2=a-5 | | 2a+14-12-6a=a-5 | | 11x-3y=0 | | 3a^2+a=7 | | 8n^2-35n-40=0 | | 13x-140=6x-7 | | 15n^2-44n+32=0 | | 35s^2+16s-3=0 | | 3(x+2)+4x=-29 | | 3a^2-20a-7=0 | | 90=(8x-1)+(5x) | | 3(5-x)-2(3-4x)=13-2(x+1) | | 2(x+3)-4=3(2x+8) | | -2(x+3)=3(2x+7) | | 2(x-3)=4(2x-7) | | 20y+50x=18240 | | 3(2k+1)=2(4-3k) |