Question

(i) 9a=76-672 (ii) pqa = (3p+q)? - (3p-q)?​

Answer 1

Answer:

In examples 7 to 9, state whether the statements are true (T) or false ... You can use expressions with two q–p (or more) ... (iii) pqa = (3p + q)2 – (3p – q)2 ... (a – b + c)?.