Question

(2x+4y)2 hole sqaure​

Answer 1

Answer:

4x*2+16y*2+16xy

Step-by-step explanation:

a+b=a*2+2ab+b*2

Answer 2

Answer:

${(2x + 4y)}^{2} \\ \\ = {(2x)}^{2} + 2 \times 2x \times 4y + {(4y)}^{2} \\ \\ = 4 {x}^{2} + 16xy + 16 {y}^{2} \\ \\ = 4( {x}^{2} + 4xy + 4 {y}^{2} ) \\ \\ = {x}^{2} + 4xy + 4 {y}^{2} \\ \\ formula \: used \\ \\ {(a + b)}^{2} \\ \\ = {a}^{2} + 2ab + {b}^{2}$

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