Question

(3x+4y)whole square expand the question

Answer 1

Answer:

9 x² + 16 y² + 24 x y

Step-by-step explanation:

Remember :

( a + b )² = a² + b² + 2 ab

Using the above :

( 3 x + 4 y )² = ( 3 x )² + ( 4 y )² + 2 × 3 x × 4 y

                    = 9 x² + 16 y² + 24 x y

This is the answer

Hope it helps :-)

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Answer 2

Answer:

9x^2+24xy+16y^2

As (a+b)^2=a^2+2ab+b^2

Step-by-step explanation: