Expand (4p+ 5q)³
plz do it
Answers
Answered by
4
Answer:
64p³+240p²q+300pq²+125q³
Step-by-step explanation:
(a+b)³ = a³+3a²b+3ab²+b³
(a+b)³ = a³+b³+3ab(a+b)
According to the above formulae,
(4p+5q)³ = (4p)³+3×(4p)²×(5q)+3×(4p)×(5q)²+(5q)³
=> 64p³+240p²q+300pq²+125q³
Here you go!!!
Hope you understand the answer!!
Similar questions