factorise sixteen x square - 16x - 21
Answers
Answer:
first mark me braliant please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please
first mark me braliant please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please
first mark me braliant please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please
first mark me braliant please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please
first mark me braliant please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please