Question

(2a+5b) (4a^2-10ab+25b^2)​

Answer 1

Step-by-step explanation:

(2a + 5b) (4a2 - 10ab + 25b2)

= (2a + 5b) [(2a)2 - (2a) (5b) + (5b)2]

= (2a)3 + (5b)3 (from identity 10 above)

= 8a3 + 125b3

Answer 2

(2a+5b)(4a²-10ab+25b²)

= (2a+5b)[(2a)²-(2a)(5b)+(5b)²]

= (2a+5b) (2a-5b)²

hope this helps you!

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