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Solve for all values of x by factoring.' x2 + 10x + 21 = 0
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1 vote
Solve for all values of x by factoring.'
x2 + 10x + 21 = 0

User Qorkfiend
by
3.3k points

2 Answers

1 vote

Answer:

Explanation:

2x+10x=12x

12x=-21

x=-1.75

User Bruno Mello
by
3.8k points
6 votes

Answer:

x=-7,-3

Explanation:

x2+10x+21

(x+7)(x+3)

x=-7,-3

User Cporte
by
4.0k points
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