Question

(a+b)³ = a³+b³+3ab (a+b)
$(3x + 5) ^{3}$
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Answer 1

Question-

● $(3x + 5) ^{3}$

Step-by-step explanation:

☆using identity: (a+b)³ = a³+b³+3ab (a+b)

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Here, a= 3x and b= 5

➪putting values of 'a and b ' in identity.

(3x+5)³= (3x)³+(5)³+3 (3x) (5) (3x+5)

= 27x³+125+135x²+225x

$\sf\red{hope\:it\:helps\:you}$

Answer 2

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