Use identity to get the product of $(2 y + 5) (2 y + 5)$

y^{2} + 10 y + 5

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y^{2} + 30 y + 15

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4 y^{2} + 20 y + 25

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4 y^{2} + 40 y + 35

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Solution

The correct option is A $4 y^{2} + 20 y + 25$
$(2 y + 5) (2 y + 5)$
Using,
$(a + b)^{2} = a^{2} + b^{2} + 2 a b$
$= (2 y + 5)^{2}$
$= (2 y)^{2} + (5)^{2} + 2 (2 y) (5)$
$= 4 y^{2} + 25 + 20 y$

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Similar questions

Using an identity expand :
$(2 y + 5) (2 y + 5)$

Evaluate: (2y+5)(2y+5).

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(2 y + 5) (2 y + 5)

(2 y + 5) (2 y + 5)

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