Question

factorize using the suitable groups

.a)p²q-qr²-pq+r²​

Answer 1

Step-by-step explanation:

p^2q - qr^2 - pq + r^2

= (P^2q-pq) + (-qr^2+r^2)

= pq(p-1) - r^2(q-1)

Answer 2

For example

• we can use grouping to write 2x²+8x+3x+12 as (2x+3)(x+4).