Question

(a) Add: p(p-q),q(q - r) and r(r-p). (b) Add: 2x(z-x-y) and 2y(z-y-zx). (c) Subtract: 3l(l-4m+5n) from 4l(10n-3m+2l).

Answer 1

p2+q2+r2-pq-qr-pr is the answer of the question you give

Answer 2

Hope this helps you....✌