please patulong di ko magets
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please patulong di ko magets
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Answer:
1. x = +4 and -4
2. x = 0
3. x = 2i and -2i
Step-by-step explanation:
x² = 16
√x² = √16
x = ±16
x² + 10 = 10
x² = 10 - 10
x² = 0
√x² = 0²
x = 0
x² + 20 = 16
x² = 16 - 20
x² = -4
√x² = √-4
x = 2√-1 , -2√-1
x = ± 2i