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x² + 5x + 2x + 10
x² + 7x + 10
(2x + 3)(x - 2)
2x² - 4x + 3x - 6
2x² - x - 6
(3x - 2)(x - 1)
3x² - 3x - 2x + 2
3x² - 5x = 2
(3x - 5)²
(3x - 5)(3x - 5)
9x² - 15x - 15x + 25
9x² - 30x + 25
a. (x + 2)(x + 5)
(x) (x) + (2) (x) + (2) (5)
x² + 5x + 2x + 10
x² + (5+ 2)x + 10
x² + 7x + 10
b.(2x + 3)(x - 2)
(2x) (x) + (2x) (-2) + (3) (x) + (3) (-2)
2x² - 4x + 3x - 6
2x² (- 4 + 3)x - 6
2x² - x - 6
c.(3x - 2)(x - 1)
(3x) (x) + (3x) (-1) + (-2) (x) + (-2) (-1)
3x² - 3x - 2x + 2
3x² (- 3 - 2)x + 2
3x² - 5x = 2
d.(3x - 5)²
(3x - 5)(3x - 5)
(3x)(3x) + (3x) (-5) + (-5) (3x) + (-5) (-5)
9x² - 15x - 15x + 25
9x² (- 15 - 15)x + 25
9x² - 30x + 25