add 5y(y-2z) to product of 4xy and 6y(2y+z)
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Step-by-step explanation:
Question 1:
Add the following:
(i) 3x and 7x
(ii) −5xy and 9xy
ANSWER:
We have
(i) 3x + 7x = (3 + 7)x = 10x
(ii) -5xy + 9xy = ( -5 + 9)xy = 4xy
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Answer:
3. Inspect the curtains and floor
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