THE FOLLOWING QUESTIONS ARE SUPER EASY - NO NEED TO SOLVE ALL: JUST CHOOSE ONE!

Write as a product:
40a) (2x+y)^2-(b+c)^2

40b) (a+b)^2–(b+c)^2

Answer :

kosala1478

Step-by-step explanation:

the answer is in the picture

${teks-lihat-gambar} kosala1478
${teks-lihat-gambar} kosala1478

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