FACTORIZATION 4

Factorize r²t² - 64;

Solution

we use difference of two squares a² – b² = (a - b)(a + b)

r²t² - 64 = (rt)² - (8)²

              = (rt - 8)( rt + 8)

Hence r²t² - 64 = (rt - 8)( rt + 8)

TRY THIS......................

Factorize w²u² - 169;