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Simplifying (x + -2)(x + 4) = x(x + 3) + -5x Reorder the terms: (-2 + x)(x + 4) = x(x + 3) + -5x Reorder the terms: (-2 + x)(4 + x) = x(x + 3) + -5x Multiply (-2 + x) * (4 + x) (-2(4 + x) + x(4 + x)) = x(x + 3) + -5x ((4 * -2 + x * -2) + x(4 + x)) = x(x + 3) + -5x ((-8 + -2x) + x(4 + x)) = x(x + 3) + -5x (-8 + -2x + (4 * x + x * x)) = x(x + 3) + -5x (-8 + -2x + (4x + x2)) = x(x + 3) + -5x Combine like terms: -2x + 4x = 2x (-8 + 2x + x2) = x(x + 3) + -5x Reorder the terms: -8 + 2x + x2 = x(3 + x) + -5x -8 + 2x + x2 = (3 * x + x * x) + -5x -8 + 2x + x2 = (3x + x2) + -5x Reorder the terms: -8 + 2x + x2 = 3x + -5x + x2 Combine like terms: 3x + -5x = -2x -8 + 2x + x2 = -2x + x2 Add '-1x2' to each side of the equation. -8 + 2x + x2 + -1x2 = -2x + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -8 + 2x + 0 = -2x + x2 + -1x2 -8 + 2x = -2x + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -8 + 2x = -2x + 0 -8 + 2x = -2x Solving -8 + 2x = -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. -8 + 2x + 2x = -2x + 2x Combine like terms: 2x + 2x = 4x -8 + 4x = -2x + 2x Combine like terms: -2x + 2x = 0 -8 + 4x = 0 Add '8' to each side of the equation. -8 + 8 + 4x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + 4x = 0 + 8 4x = 0 + 8 Combine like terms: 0 + 8 = 8 4x = 8 Divide each side by '4'. x = 2 Simplifying x = 2
| 180=(2x+2)+(3x+1) | | 3(4x+5)-2(3x-2)=3x+7 | | t*5-4=16 | | 20+3x-2=x^2-4x | | -4b=3(-4b)+7 | | 180=(8x)+x+90 | | 0.86(3.7-2.3x)=4.9 | | (7n-2)(5n-1)=0 | | 0.86(3.7-2.3x)=49 | | 30a^2+7a=0 | | (5v+7)(2+v)=0 | | g(-4b)=3(-4b)+7 | | 2x^3-8x^2-192x=0 | | 6cos+5tan=0 | | 5r+4r-9r= | | 6cisb+5tan=0 | | 2x=-10-2 | | 180=2x+76 | | 180=2x+76+(5x-2) | | 6(3x+5)-5(x-7)=39 | | c=6+5x | | 7x-3=24x+5 | | 7x-3=24x | | 3x+4+4y=16 | | 16=.25b | | b+2.25=5 | | 16=.25 | | 15w*1.25= | | 2(8+6x)+2=4(4+3x)+2x | | 4a^3+12a^2-9a-27=0 | | 45+40a= | | 291.52=8(0.04m+27.70+0.20(27.70)) |