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Simplifying x(2x + 1) + -2(x + 1) = 2x(x + -1) Reorder the terms: x(1 + 2x) + -2(x + 1) = 2x(x + -1) (1 * x + 2x * x) + -2(x + 1) = 2x(x + -1) (1x + 2x2) + -2(x + 1) = 2x(x + -1) Reorder the terms: 1x + 2x2 + -2(1 + x) = 2x(x + -1) 1x + 2x2 + (1 * -2 + x * -2) = 2x(x + -1) 1x + 2x2 + (-2 + -2x) = 2x(x + -1) Reorder the terms: -2 + 1x + -2x + 2x2 = 2x(x + -1) Combine like terms: 1x + -2x = -1x -2 + -1x + 2x2 = 2x(x + -1) Reorder the terms: -2 + -1x + 2x2 = 2x(-1 + x) -2 + -1x + 2x2 = (-1 * 2x + x * 2x) -2 + -1x + 2x2 = (-2x + 2x2) Add '-2x2' to each side of the equation. -2 + -1x + 2x2 + -2x2 = -2x + 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 -2 + -1x + 0 = -2x + 2x2 + -2x2 -2 + -1x = -2x + 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 -2 + -1x = -2x + 0 -2 + -1x = -2x Solving -2 + -1x = -2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2x' to each side of the equation. -2 + -1x + 2x = -2x + 2x Combine like terms: -1x + 2x = 1x -2 + 1x = -2x + 2x Combine like terms: -2x + 2x = 0 -2 + 1x = 0 Add '2' to each side of the equation. -2 + 2 + 1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 1x = 0 + 2 1x = 0 + 2 Combine like terms: 0 + 2 = 2 1x = 2 Divide each side by '1'. x = 2 Simplifying x = 2
| 1/12--5/6 | | 5(d-4)+2=(d+2)-4 | | 375+x=75x | | -6+6x+5x=16 | | 3x+4[x+6]=10x+12 | | M(2)=-5(2)-8 | | 2.6q-2.2-3.3q=-1.7q-3.1 | | 7(1-7x)=7 | | 6-8=12 | | X+(-y-z-3)= | | M(-3)=-5(-3)-8 | | 0.5k-6=-4 | | (32b+8)+19b= | | x-75x= | | 35=5u-15 | | 13x-33=14x+28 | | 6+5x-3x=-2 | | -1.5(-4)= | | 3b+7b=4b | | 9(3f-9)= | | 6x+1=51+x | | H(2)=-2(2)+11 | | 2-10+4x=-3x-9-6 | | 25-14f=-14 | | -1.5x-4= | | 6x+67=14x | | 4x-7+4x=89 | | -2(6-3z)= | | 3-4k=1 | | 29-9y=4 | | H(0)=-2(0)+11 | | 0-.46=5.6 |