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Zeroes of a Polynomial

Solve the fol...

Question

Solve the following quadratic equation by factorization method.
$(2 y + 3)^{2} = 81$

A

3

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B

- 6

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C

6

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D

- 3

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Solution

The correct options are
A $3$
B $- 6$
$(2 y + 3)^{2} = 81$
$2 y + 3 = \pm 9$
$2 y = 6$ or $2 y = - 12$
$y = 3, - 6$

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