Question

Expand
(3x + 5y)³? please give the answer .​

Answer 1

Step-by-step explanation:

• (a+b)^3 = a^3+ b^3+ 3a^2b+ 3ab^2

= 27x^3+ 125y^3+ 135x^2y+243xy^2

Answer 2

Given:-

•(3x+5y)³

$\rule{200}{1}$

To Find:-

→The expanded form of (3x+5y)³?

$\rule{200}{1}$

AnsWer:-

▼Using (a+b)³ identity▼

➜(a+b)³=a³+b³+3a²b+3ab²

✪Putting the Values✪

↝(3x+5y)³=(3x)³+(5y)³+3×(3x)²×5y+3×3x×(5y)²

↝(3x+5y)³=27x³+125y³+135x²y+225xy²

$\rule{200}{2}$