Question

Evalute using suitable identity : (3x + 4y) (3x + 4y)​

Answer 1

Answer:

distributive property

Step-by-step explanation:

3x(4y+4y)

3x(9y)

27xy

Answer 2

Answer:

9x² +24xy +16y²

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Step-by-step explanation:

(3x + 4y) x (3x + 4y)

= (3x x 3x) + (3x x 4y) + (4y x 3x) + (4y + 4y)

= 9x²+12xy + 12xy + 16y²

= 9x² +24xy +16y²