Question

expand (2x+1)^3
pl reply.fsst​

Answer 1

${(2x + 1)}^{3} \\ {(2x)}^{3} + {(1)}^{3} + 3 (1){(2x)}^{2} + 3(2x) {(1)}^{2} \\ {8x}^{3} + 1 + {6x}^{2} + 6x$

${ \text{ \huge{Answer :- }}}$

${\boxed{\boxed{\red{{(2x + 1)}^{3} = {8x}^{3} + 1 + {6x}^{2} + 6x}}}}$

$<marquee>MARK BRAINLIEST$

Answer 2

Answer:

2x (4x^2 + 6x + 3) +1.....

Step-by-step explanation:

(2x+1)^3=(2x)^3+1^3+3 (2x)(2x+1)

=8x^3 +1 + 6x (2x+1)

= 8x^3 + 12x^2 + 6x + 1

= 2x (4x^2 + 6x + 3) + 1