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trasher [3.6K]
3 years ago
9

X2-81

Spanish
1 answer:
weqwewe [10]3 years ago
4 0

Answer: Check explanation

Explanation:

a. X² - 81

X² - 81 = 0

X² = 0 + 81

X² = 81

X = ✓81

X = 9

b. b² - 49 = 0

b² = 49 + 0

b² = 49

b = ✓49

b = 7

c. 3c² - 75 = 0

3c² = 75

c² = 75/3

c² = 25

c = ✓25

c = 5

The three statements are identical as the value of the letter assigned can be gotten by finding their square roots.

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