Sederhanakanlah.. (1) 2(a + 2b) + 3(2a – b), (2) -3(4x – 5y) + 6(2x – 3y), (3) 3(a – 2b) – 2(a + 5b), (4) 7(x – 2y + 1) – 4(-3y +2)

Sederhanakanlah.

(1) 2(a + 2b) + 3(2a – b)

(2) -3(4x – 5y) + 6(2x – 3y)

(3) 3(a – 2b) – 2(a + 5b)

(4) 7(x – 2y + 1) – 4(-3y +2)

Jawaban

(1) 8a + b

(2) -3y

(3) a – 16b

(4) 7x – 2y -1