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I need help plz ASAP

2x^2-7=-7

This is solving quadratic functions by square roots btw

User Otocan
by
4.3k points

2 Answers

6 votes

Answer:

x = 0

Explanation:


{2x}^(2) - 7 = - 7


= {2x}^(2) = 0


= {2x}^(2) / 2 = 0 / 2


= {x}^(2) = 0 / 2


= {x}^(2) = 0


= x = 0

User Sunil Zalavadiya
by
4.7k points
1 vote

Answer:

x = 0

Explanation:

add 7 to each side to get:

2x² = 0

divide each side by 2 to get:

x² = 0

take square root of each side to get:

x =
√(0)

x = 0

User Alex Hart
by
4.7k points