chloeh0919 chloeh0919
  • 01-08-2019
  • Mathematics
contestada

Find the product of (2x + 5y)2.

4x2 + 20xy + 25y2

4x2 − 20xy + 25y2

4x2 − 25y2

4x2 + 25y2

Respuesta :

lizzybogita
lizzybogita lizzybogita
  • 01-08-2019

Answer:

4x2 + 20xy + 25y2

Step-by-step explanation:

Answer Link
wagonbelleville wagonbelleville
  • 16-08-2019

Answer:

correct answer is option A

Step-by-step explanation:

given,

(2 x + 5 y)².................(1)

using identity of

( a + b )² = a² + b² + 2 a b

using identity in equation (1)

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

(2 x + 5 y)² =   4 x² + 25 y² + 20 x y

hence on solving the equation by using identity we get

(2 x + 5 y)² =   4 x² + 25 y² + 20 x y

so, the correct answer is option A

Answer Link

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