3-81x^3 factorize it
Can you please explain this question in long method
Answers
Answered by
0
Answer:
Step-by-step explanation:
3 - 81x^3
= 3(1 - 27x^3)
= 3{(1)^3 - (3x)^3}
a^3 - b^3 = (a - b)(a^2 + ab + b^2)
= 3 ( 1 - 3x){ (1)^2 + (3x)^2 + (1)(3x) }
= 3 ( 1 - 3x)( 1 + 9x^2 + 3x )
Similar questions