If 9: x= x4, then x=

Mathematics

1 answer:

Furkat [3]3 years ago

3 0

Answer:

x = ±6

Step-by-step explanation:

9 : x = x : 4

9/x = x/4

Cross multiply.

x² = 9 × 4

x² = 36

x = ±√36

x = ±6

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