Question

expand it (3x+1)³ please tell fastly

Answer 1

$27 {x}^{3} + 1 + 27 {x}^{2} + 9 x$

Answer 2

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Hola mate! Here is your answer! ❤❤

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This question is based on the lesson Polynomials of 9th grade.

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Here, by using the formula, (a+b)³ = a³ + b³ + 3ab (a+b) we solve the given equation.

Here, a = 3x, b = 1

(3x + 1)³ = (3x)³ + (1)³ + 3(3x)(1) (3x + 1)

             = 27x³ + 1 + 9x(3x + 1)

             = 27x³ + 1 + 27x² + 9x  

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Hope it helps!

#BeBrainly