Question

solve the following sums please put the question number and answer 19. Find the product using suitable property: 7x ( 50 - 2)
20. If p= -2, find the value of -3p2 +4p​

Answer 1

Answer:

-3p2+4þ

If p is equal to -2

then we put the value of p in given equation

-3(-2) 2+ 4(-2)

12x2 + (-8)

24-8

= 16