3 years ago

Solve the equation using square roots x^2 - 55 = 26

Mathematics

2 answers:

sergejj [24]3 years ago

7 0

Answer:

x = ±9

Step-by-step explanation:

x² - 55 = 26

+55 + 55

x² = 81

x = √81

x = ± 9

NeTakaya3 years ago

7 0

Answer:

x = 9, -9

Step-by-step explanation:

x^2 - 55 = 26

x^2 = 81.

Now, you might think that x = 9, but don't be fooled. -9 squared is also equal to 81.

So, x = 9, -9

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