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BARSIC [14]
3 years ago
10

Factor completely. x2−5x−36 Enter your answer in the box.

Mathematics
2 answers:
Kamila [148]3 years ago
4 0

Answer:

(x - 9)(x + 4)

Step-by-step explanation:

x^2−5x−36

As you know, -36 = -9 * 4 and (-9) + 4 = -5

so Factor

= (x - 9)(x + 4)

Mila [183]3 years ago
4 0

Answer:

x^2 − 5x − 36 = (x - 9)(x + 4)

Step-by-step explanation:

You need to find two numbers whose product is -36 and whose sum is -5.

-36 = -4 * 9; sum -4 + 9 = 4  wrong sum

-36 = -9 * 4; sum -9 + 4 = -5   right sum

The numbers are -9 and 4.

Answer: x^2 − 5x − 36 = (x - 9)(x + 4)

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