Question

Find the value of (2x + 5)2.​

Answer 1

Step-by-step explanation:

Solution:

(2x + 5)2

We know that (p + q)2 = p2 + q2 +2pq

Here, p = 2x , q = 5

(2x + 5)2 = (2x)2 + 52 + 2 × 2x × 5

= 4x2 + 25 + 20x

Answer 2

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Answer :

( 2 × 2 ) ( 4 × + 10 )