Hi boys can you me will mark !
factor completely.

5x^2 - 45

a.

5(x + 3)(x - 3)

b.

5(x2 - 45)

c.

5(x - 9)(x + 9)

d.

(5x + 9)(x - 5)

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

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