- 7x + (9x - 3) = - 7x + 9x - 3 = 2x - 3
5x + 3 - 4 + 4x = 9x -1
2x2+9x+9 = (2x+3)(x+3) when factored
2x + 3 = 9x Subtract 2x from both sides: 3 = 7x Divide both sides by 7: 3/7 = x
2x + 3y = 9x = 3, y = 1 therefore 6 + 3 = 9
7 plus 7x--2x plus 3 is: 7 + 7x + 2x + 3 = 0 9x + 10 = 0 9x = -10 x = -10/9 = -1 1/9
- 7x + (9x - 3) = - 7x + 9x - 3 = 2x - 3
2x+3=9x 3=9x-2x 3=7x x=3/7
6x2 + 11x + 3 = 6x2 + 9x + 2x + 3 = 3x(2x + 3) + 1(2x + 3) = (2x + 3)(3x + 1)
5x + 3 - 4 + 4x = 9x -1
2x2+9x+9 = (2x+3)(x+3) when factored
(2x+3)(x+3)
2x+3=9x-2x -2x3=7x/7 /73/7=x
(2x+3)(x+3)
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2x + 3 = 9x Subtract 2x from both sides: 3 = 7x Divide both sides by 7: 3/7 = x
9x - 3(x + 13y) = 9x - 3x - 39y = 6x - 39y = 3(2x - 13y)