Question

write in expanded form of
(7a+5b)^3
pls give right answer ​

Answer 1

Answer:

Rewrite the expression using the negative exponent rule

b

−

n

=

1

b

n

.

7

1

a

5

b

3

Combine

7

and

1

a

5

.

7

a

5

b

3

Combine

7

a

5

and

b

3

.

Answer 2

Step-by-step explanation:

(7a+5b)³ = 7³a³ + 5³b³ + 3×7a×5b(7a+5b) = 343a³+125b³ + 105ab(7a+5b)