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15 votes
6x^2 - 21 = 9
solve for x

User Teddy C
by
4.4k points

1 Answer

3 votes

Answer:


x=
√(5) , -
√(5)

Explanation:

Move everything to left side and set it equal to 0

Solve using quadratic formula

User Yanadm
by
4.5k points