If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + rx + -2x + 4 = 0 Reorder the terms: 4 + rx + -2x + x2 = 0 Solving 4 + rx + -2x + x2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + rx + -2x + -4 + x2 = 0 + -4 Reorder the terms: 4 + -4 + rx + -2x + x2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + rx + -2x + x2 = 0 + -4 rx + -2x + x2 = 0 + -4 Combine like terms: 0 + -4 = -4 rx + -2x + x2 = -4 Add '2x' to each side of the equation. rx + -2x + 2x + x2 = -4 + 2x Combine like terms: -2x + 2x = 0 rx + 0 + x2 = -4 + 2x rx + x2 = -4 + 2x Add '-1x2' to each side of the equation. rx + x2 + -1x2 = -4 + 2x + -1x2 Combine like terms: x2 + -1x2 = 0 rx + 0 = -4 + 2x + -1x2 rx = -4 + 2x + -1x2 Divide each side by 'x'. r = -4x-1 + 2 + -1x Simplifying r = -4x-1 + 2 + -1x Reorder the terms: r = 2 + -4x-1 + -1x
| (7+6)=(9+5) | | 2y+1y=2 | | -13-2=14y-10-13y | | 3x-8/12=9 | | 9r^2-30r+25=0 | | 2m^2-1=7 | | 1206.4/x=52 | | 6m=3(6m+20) | | 18=b(b-7) | | (2x+27)=(7x) | | B^2+8=6b | | 2-2(9-2n)=72 | | 11n-9-10n-12=4 | | 0=x^3-9x^2-12x+160 | | 2m+17=3m+12 | | 6x-5=7x+1 | | 9/10b-1=-19/20b+4 | | f(x)=2y+5 | | x/4-6=-18 | | 57-2x=10-8x | | x=32y^2 | | 14-10x=89-31x+21 | | 3x+8=-x+4 | | 5a/2a | | 5x-40-18= | | 4a+20=6(a+2)-3(a-5) | | 3-(x+3)=2x-1 | | 2(3x-1)-7x=-10 | | 28a+3=-7a+8 | | 3(x+4)=-21 | | 2(x+3)=-7+2x | | -4y/8-12/8-2/9=11y/5-9/5 |