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Simplifying x(x + 5) = (x + 2)(x + 1) Reorder the terms: x(5 + x) = (x + 2)(x + 1) (5 * x + x * x) = (x + 2)(x + 1) (5x + x2) = (x + 2)(x + 1) Reorder the terms: 5x + x2 = (2 + x)(x + 1) Reorder the terms: 5x + x2 = (2 + x)(1 + x) Multiply (2 + x) * (1 + x) 5x + x2 = (2(1 + x) + x(1 + x)) 5x + x2 = ((1 * 2 + x * 2) + x(1 + x)) 5x + x2 = ((2 + 2x) + x(1 + x)) 5x + x2 = (2 + 2x + (1 * x + x * x)) 5x + x2 = (2 + 2x + (1x + x2)) Combine like terms: 2x + 1x = 3x 5x + x2 = (2 + 3x + x2) Add '-1x2' to each side of the equation. 5x + x2 + -1x2 = 2 + 3x + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 5x + 0 = 2 + 3x + x2 + -1x2 5x = 2 + 3x + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 5x = 2 + 3x + 0 5x = 2 + 3x Solving 5x = 2 + 3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x' to each side of the equation. 5x + -3x = 2 + 3x + -3x Combine like terms: 5x + -3x = 2x 2x = 2 + 3x + -3x Combine like terms: 3x + -3x = 0 2x = 2 + 0 2x = 2 Divide each side by '2'. x = 1 Simplifying x = 1
| 0=5-(3/x) | | 0+6x=0+x | | 6*(19-16)+12*8= | | a^4-10a^2+9-18=0 | | 2X^2-7x+4=2x | | -x^3+12x+1=0 | | 4x-5+3x+20+8x-40= | | a^4-10a^2+9=18 | | (1/5*5)y=1/5(-1.3) | | x+80=120 | | x-7=2x+12 | | 2xy+10x=2xy-20 | | (-1/6*-6)x=-1/6(-5) | | .75x-2(4+2x)=-.50x+.25 | | .75x-2(4+2x)=-.50x+.24 | | (-4/3*-3/4)w=-3/4(4) | | 5(2x+3)=15x | | 2(3x-7)=32 | | -12+20x-11x=3x+6 | | P=80x-0.4x^2 | | 10t^2-360=0 | | 19x+5=309 | | Ln(t)-ln(t-7)=1 | | 40+7.50d=12.50d | | (-5/4*-4/5)x=-5/4(4) | | 4n+12=-92 | | -49+3(10x-7)=.33(33+6x)-3+2x | | 50t^2-8=0 | | 7-(-y)=2 | | 1x+8=-2x+-5 | | 2x^2+3x^2=10.2 | | (3/8*8/3)x=3/8(-2/5) |