Question

Factorise the polynomial 3y^4-243

Answer 1

Answer:

$3({y}^{4} + 81 )$

Step-by-step explanation:

To factorize any polynomial our first step is always to see for common factors between two terms. Here in this question it was 3, so divided both the terms of the polynomial by 3 and wrote quotient inside brackets and the common factor, in this case 3, out of the brackets.