Question

please send me answer

Answer 1

Hi there !!
Here your answer

Given,
to factorise 2x³ + 54
Taking 2 as common factor in 2x³ + 54 , we have,

2(x³ + 27)

It can be seen that x³+27 is in the form of the algebraic identity a³+ b³ = (a+b)(a²-ab+b²)

Also,
when x is cubed , it is written as x³
and when 3 is cubed , it is written as 27
So,

2(x + 3)(x² - x(3) + 3²)

= 2(x + 3)(x² - 3x + 9) is the factorised Answer