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Simplifying (x + -2)(3x) + (2x + -1)(x + 4) = (5x + -1)(x + 1) Reorder the terms: (-2 + x)(3x) + (2x + -1)(x + 4) = (5x + -1)(x + 1) Remove parenthesis around (3x) (-2 + x) * 3x + (2x + -1)(x + 4) = (5x + -1)(x + 1) Reorder the terms for easier multiplication: 3x(-2 + x) + (2x + -1)(x + 4) = (5x + -1)(x + 1) (-2 * 3x + x * 3x) + (2x + -1)(x + 4) = (5x + -1)(x + 1) (-6x + 3x2) + (2x + -1)(x + 4) = (5x + -1)(x + 1) Reorder the terms: -6x + 3x2 + (-1 + 2x)(x + 4) = (5x + -1)(x + 1) Reorder the terms: -6x + 3x2 + (-1 + 2x)(4 + x) = (5x + -1)(x + 1) Multiply (-1 + 2x) * (4 + x) -6x + 3x2 + (-1(4 + x) + 2x * (4 + x)) = (5x + -1)(x + 1) -6x + 3x2 + ((4 * -1 + x * -1) + 2x * (4 + x)) = (5x + -1)(x + 1) -6x + 3x2 + ((-4 + -1x) + 2x * (4 + x)) = (5x + -1)(x + 1) -6x + 3x2 + (-4 + -1x + (4 * 2x + x * 2x)) = (5x + -1)(x + 1) -6x + 3x2 + (-4 + -1x + (8x + 2x2)) = (5x + -1)(x + 1) Combine like terms: -1x + 8x = 7x -6x + 3x2 + (-4 + 7x + 2x2) = (5x + -1)(x + 1) Reorder the terms: -4 + -6x + 7x + 3x2 + 2x2 = (5x + -1)(x + 1) Combine like terms: -6x + 7x = 1x -4 + 1x + 3x2 + 2x2 = (5x + -1)(x + 1) Combine like terms: 3x2 + 2x2 = 5x2 -4 + 1x + 5x2 = (5x + -1)(x + 1) Reorder the terms: -4 + 1x + 5x2 = (-1 + 5x)(x + 1) Reorder the terms: -4 + 1x + 5x2 = (-1 + 5x)(1 + x) Multiply (-1 + 5x) * (1 + x) -4 + 1x + 5x2 = (-1(1 + x) + 5x * (1 + x)) -4 + 1x + 5x2 = ((1 * -1 + x * -1) + 5x * (1 + x)) -4 + 1x + 5x2 = ((-1 + -1x) + 5x * (1 + x)) -4 + 1x + 5x2 = (-1 + -1x + (1 * 5x + x * 5x)) -4 + 1x + 5x2 = (-1 + -1x + (5x + 5x2)) Combine like terms: -1x + 5x = 4x -4 + 1x + 5x2 = (-1 + 4x + 5x2) Add '-5x2' to each side of the equation. -4 + 1x + 5x2 + -5x2 = -1 + 4x + 5x2 + -5x2 Combine like terms: 5x2 + -5x2 = 0 -4 + 1x + 0 = -1 + 4x + 5x2 + -5x2 -4 + 1x = -1 + 4x + 5x2 + -5x2 Combine like terms: 5x2 + -5x2 = 0 -4 + 1x = -1 + 4x + 0 -4 + 1x = -1 + 4x Solving -4 + 1x = -1 + 4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4x' to each side of the equation. -4 + 1x + -4x = -1 + 4x + -4x Combine like terms: 1x + -4x = -3x -4 + -3x = -1 + 4x + -4x Combine like terms: 4x + -4x = 0 -4 + -3x = -1 + 0 -4 + -3x = -1 Add '4' to each side of the equation. -4 + 4 + -3x = -1 + 4 Combine like terms: -4 + 4 = 0 0 + -3x = -1 + 4 -3x = -1 + 4 Combine like terms: -1 + 4 = 3 -3x = 3 Divide each side by '-3'. x = -1 Simplifying x = -1
| a+b=4(7b-3a)/a | | f(x)=20x^2-19 | | 5+x^2+5=x | | 96/24 | | 6x-9-4x+2=16 | | 50+3.75=800 | | 5x+2.5=20 | | -54/3 | | 196-2x=34x+20 | | 5x+5=-79-5x | | 34-x=x+10 | | 4x^2+39=3 | | 5x+5-4x+2=16 | | x^3=216/729 | | x^3=74.088 | | b^2=25/49 | | X=34000 | | 2x=-6+x | | 280-7x=38+20 | | 2x/3-4=9x/2+5+x | | 2lnx=y | | Y=7/8+8 | | 30+4x=-5x-4 | | 0.792=0.6c | | 1.8a=9.72 | | 1.8a=972 | | 6=1.2s | | 4+0.50*20= | | 34=-2g | | 2x-4=6x-12 | | 140^(1/6) | | 140^1/6 |