Question

Factorize (r+1)(p-1) – (p-1)(3-r)​

Answer 1

solution, (r+1)(p-1)-(p-1)(3-r)

=(p-1)(r+1-(3-r))

=(p-1)(r+1-3+r)

=(p-1)(2r-2)

=(p-1)2(r-1)

=2(p-1)(r-1)

hope it's helpful

Answer 2

so the answer is (p-1)(4)

hope it helps you