Question

b) (x2 – 4y) (3y + 5) for x = 1, y = -1​

Answer 1

x = 1

y = (-1)

(1 x 2 - 4 x (-1)  (3 x (-1) + 5 ). bodmas

(2 - (- 4) = 6) (- 3 + 5 = 2)

6 x 2 = 12