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Help! Factor the expressions. x^2 − 4x − 45 =
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Help!
Factor the expressions.
x^2 − 4x − 45 =

User Karuna
by
6.1k points

1 Answer

4 votes

Answer:

(x - 9)(x + 5)

Explanation:

x² − 4x − 45 =

= x² + 5x - 9x - 45

= x(x + 5) - 9(x + 5)

= (x - 9)(x + 5)

User Kof
by
5.4k points
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