x²+4x-21= ?
(x-7) (x+3)
(x+7) (x-3)
(x-7) (x-3)
(x+7) (x+3)
Answers
Answered by
5
Answer:
what's the problem
Step-by-step explanation:
thereafter x+7=0
x = -7
x+3 =0
x=-3
Answered by
3
Answer:
( x +7) ( x+ 3 )
Step-by-step explanation:
right answer
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