Question

21X(27+(-5)=(21X27)+(21X(-5)​

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

Answer:

Geometric mean

(27−x)

2

=(21−x)(35−x)

(27)

2

+x

2

−54x=735+x

2

−21x−35x

56x−54x=735−(27)

2

2x=6

x=3

x

2

=9