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expeople1 [14]
3 years ago
15

X^2 -9 = -15 i got decimals please help me

Mathematics
2 answers:
irina1246 [14]3 years ago
7 0
Equation: x² - 9 = -15

Step-by-step solution:

• Move -9 to right side
-> x² = -15 + 9

• Solve
-> x² = -6

• Root of both sides
-> x = √-6
This is wrong because √-1 = imaginary number and it doesn't look like you're dealing with imaginary numbers so check the equation again
olga nikolaevna [1]3 years ago
4 0

Answer:

sqrt 24

Step-by-step explanation:

x^2-9=-15

x^2-9+9=-15+9

x^2=24

x=sqrt 24

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