Question

2 - Resolva: a) 7x² = 0; b) -12x² = 1 - 1; *

Answer 1

7x²=0
x²=0/7
x=√0
x=0

b) -12x²=1-1
-12x²=0
x²=0/12
x=√0
x=0

Answer 2

a)

7x² = 0
x²  = 0/7
x² = 0
x = √0
x = 0

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b)
- 12x² = 1 - 1
- 12x² = 0
x² = 0/(-12)
x² = 0
x = √0
x = 0