Question

(7x + 2y)² pls ans fast​

Answer 1

Answer:

49x²+4y²+28xy

...............

Answer 2

Step-by-step explanation:

$\huge\underline{\underline{\sf ANSWER}}$

We know the formula=>

(a+b) ² = a² + b² +2ab.

So applying same formula here...

(7x +2y)² = (7x)² + (2y)² + 2(7x)(2y)

= 49x² + 4y² + 28xy

So,.

(7x +2y)² = 49x² + 4y² + 28xy