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13 votes
13 votes
Producer of
x^(2) -4x-21

User Arnold Zokas
by
3.1k points

1 Answer

15 votes
15 votes

Answer:

(x - 7)(x + 3)

Step-by-step explanation:


\rightarrow \sf x^2 - 4x - 21

breakdown


\rightarrow \sf x^2 - 7x +3x- 21

factor out common terms


\rightarrow \sf x(x - 7) +3(x- 7)

collect into groups


\rightarrow \sf (x+3)(x- 7)

User Nefertari
by
3.2k points