Question

(2x+y) (2x+y)simlphy​

Answer 1

question given:

simplify (2x+y)²

solution:

(2x+y)²

(2x)²+(y)²+2(2x)(y)

4x²+ y²+ 4xy

identity used:

(a+b)²= a²+b²+2ab

hence 4x²+ y²+ 4xy is correct Answer.