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OverLord2011 [107]
4 years ago
15

X^2- 4x- 21 as a product of binominal factors

Mathematics
1 answer:
Reika [66]4 years ago
7 0

Answer:

( x-7) (x+3)

Step-by-step explanation:

X^2- 4x- 21

What two numbers multiply to -21 and add to -4

-7 * 3 = -21

-7+3 = -4

( x-7) (x+3)

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