Question

$(2x + 1) {}^{3}$
​

Answer 1

$\boxed{Question:-}$

Expand↓

(2x+1)³=?

$\boxed{Solution:-}$

We will use, (a+b)³ Identity↓

(a+b)³=a³+b³+3a²b+3ab²

Which Gives,

→(2x+1)³=↓

→(2x)³+(1)³+3×(2x)²×(1)+3×2x×(1)²

=8x³+1+3×4x²+6x

=>8x³+12x²+6x+1

$\mathcal{BE \: BRAINLY}$

Answer 2

Answer:

By using formula (a+b)³

Step-by-step explanation:

(2x+1)³

=(2x)³+1+3(2x)(1)(2x+1)

=8x³+1+6x(2x+1)

=8x³+12x²+6x+1 Ans

I HOPE YOU UNDERSTAND

MARK AS BRAINLYIST

PLEASE