Question

factorise 1-64a cube-12a+48a square
explain it step by step very briefly​

Answer 1

Answer:

(1 - 4a) ( 1 - 8a +16a^2)

Step-by-step explanation:

=1^3 -(4a^3) - 12a(1-4a)

=(1-4a)(1+4a+16a^2) - 12a(1-4a)

= (1-4a) (1+4a+16a^2 -12a)

= (1 - 4a) ( 1 - 8a +16a^2)