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Simplifying x(2x + -5) = (2x + 2)(x + -3) Reorder the terms: x(-5 + 2x) = (2x + 2)(x + -3) (-5 * x + 2x * x) = (2x + 2)(x + -3) (-5x + 2x2) = (2x + 2)(x + -3) Reorder the terms: -5x + 2x2 = (2 + 2x)(x + -3) Reorder the terms: -5x + 2x2 = (2 + 2x)(-3 + x) Multiply (2 + 2x) * (-3 + x) -5x + 2x2 = (2(-3 + x) + 2x * (-3 + x)) -5x + 2x2 = ((-3 * 2 + x * 2) + 2x * (-3 + x)) -5x + 2x2 = ((-6 + 2x) + 2x * (-3 + x)) -5x + 2x2 = (-6 + 2x + (-3 * 2x + x * 2x)) -5x + 2x2 = (-6 + 2x + (-6x + 2x2)) Combine like terms: 2x + -6x = -4x -5x + 2x2 = (-6 + -4x + 2x2) Add '-2x2' to each side of the equation. -5x + 2x2 + -2x2 = -6 + -4x + 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 -5x + 0 = -6 + -4x + 2x2 + -2x2 -5x = -6 + -4x + 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 -5x = -6 + -4x + 0 -5x = -6 + -4x Solving -5x = -6 + -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. -5x + 4x = -6 + -4x + 4x Combine like terms: -5x + 4x = -1x -1x = -6 + -4x + 4x Combine like terms: -4x + 4x = 0 -1x = -6 + 0 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6
| 4x+30=7 | | 3.7b+7=8.1-19.4 | | 5(1+x)=40 | | x+y+4x-3x+2y+33y= | | -2(r+5)=-39 | | -90+54x+4x^2=0 | | 25-(x+5)=5x-4 | | 25-x=[7-(2-7)]-(1-3)3 | | 4m-3=-3 | | 7(f-1)=15 | | 8(x/2-5)=2x-6 | | 9(6/9) | | 4(6-3x)=20 | | 7y-9-5y+4=0 | | -90+54x+4x^4=0 | | -2(3w+5)-2w=-18 | | 4y+8x+y= | | 2/3(18-6n+12+3n) | | 4+0.4(6-y)=1.7y-3(y-0.5) | | 7+4b=1+5b | | -9.5x+0.36=-7.24 | | 5x-3=33+7x | | x/3+2=23 | | k^2+7k-23=0 | | 5x-7+2x=3x-2+4 | | 5(3+x)=10 | | 22=60/y+2 | | 2(2x+3)=46 | | -11+p=-16 | | k/2.5+81.5=20.2 | | (-1)+x=-6 | | -4=0.66666667b |