Tugas Individu 3 Hal 42

1) 2x(3x - 6y + 2)
= 6x² - 12xy + 4x

2) ( 2x + 3)(x - 4)
= 2x² + 3x - 8x - 12
= 2x² - 5x - 12

3) x ( x - 5 )
= x² - 5x

4) ( 3x + 4)(2x - 5)
= 6x² + 8x - 15x - 20
= 6x² - 7x - 20

5) 2x ( x + 7 )
= 2x² + 14x