Question

factorise from of r^2 - 10 r + 21 is​

Answer 1

hope it helps u mate ☺︎︎

Answer 2

$\large\sf\orange{given}$

Factorised form of r2 – 10r + 21 is = r2 – 7r – 3r +

21

Take out the common factors, = r (r – 7) – 3 (r – 7) Again take out the common factor, = (r – 7) (r – 3)