3a + 2b - 2ab + 5b²
x² - 4x + 4 + 3x - 6 - 10 + 5x = 0x² - x - 12 = 0(x + 3)(x - 4) = 0x = -3, 4
5ay - 3bx + ax - 15bya(5y + x) - b(3x + 15y)a(5y + x) - 3(15y + x)(a - 3)(5y + x)
3a + 2b - 2ab + 5b²
x² - 4x + 4 + 3x - 6 - 10 + 5x = 0
x² - x - 12 = 0
(x + 3)(x - 4) = 0
x = -3, 4
5ay - 3bx + ax - 15by
a(5y + x) - b(3x + 15y)
a(5y + x) - 3(15y + x)
(a - 3)(5y + x)