Question

Question 1. Factorize

•

z2−64z2−64

•

y2−49y2−49

•

x2+6x+9x2

•

x2+14x+49x2

•

x2−4x+4x2−4x

•

x2+2x+1​

Answer 1

Answer:

Step-by-step explanation:

If 3/5 of a group of children were girls . find the fraction of boys in a group of children