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Find the exact solution of x. 3x2 + 7 = 28

Find the exact solution of x. 3x2 + 7 = 28
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10 votes
Find the exact solution of x.

3x2 + 7 = 28

User Ankit Soni
by
8.1k points

1 Answer

6 votes
Exact Form:
x=√7, −√7
Decimal Form:
x=2.64575131… ,−2.64575131…
User Eric Duffett
by
8.3k points
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