Question

pls answer this one. here's the attechment

Answer 1

Answer:

Step 2

Step-by-step explanation:

PLEASE MARK AS BRAINLIEST!!!

Answer 2

Step-by-step explanation:

first mistake on step 1

as it's written 20x sq+5xy sq-25 xyz

step 1 must be= 5×2×2× x×x + 5× x×y×y - 5×5 ×x×y×z.