Question

7p2x-(4qy2) given that p=-2,q=1,x=3 and y=4​

Answer 1

Step-by-step explanation:

7p2x - (4qy2)

put the given values

= [7 × (-2) × 2 × 3] -(4 × 3 × 4 × 2)

= [-14 × 6] - (12 × 8)

= - 84 - 96

= -180