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3 votes
Find the solution set.
x2 + 6x - 7=0
Separate the two values with a comma.

User Kufi
by
4.0k points

2 Answers

6 votes

Answer:

Explanation:

x²+6x-7=0

x²+7x-x-7=0

x(x+7)-1(x+7)=0

(x+7)(x-1)=0

x=-7,1

User Jason Crease
by
4.4k points
1 vote

Hey there! :)

Answer:

x = -7, 1

Explanation:

0 = x² + 6x - 7

Factor the polynomial, giving us:

(x + 7)(x - 1) = 0

Set each factor equal to 0:

x + 7 = 0

x = -7

----------

x - 1 = 0

x = 1

Therefore, the solution set is:

x = -7, 1

User Denis Shevchenko
by
3.9k points