What are the solutions to the equation A. x = –7 and x = 1 B. x = –6 and x = –1 C. x = –1 and x = 7 D. x = 1 and x = 6

asked Nov 22, 2018 43.2k views

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What are the solutions to the equation

A. x = –7 and x = 1
B. x = –6 and x = –1
C. x = –1 and x = 7
D. x = 1 and x = 6

by Lando

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2 votes

C
-1 -(7/-1) = 6
-1 -(-7) = 6
6 = 6

7 - (7/7) = 6
7 - 1 = 6
6 = 6

Alby answered Nov 25, 2018

by Alby

8.7k points

3 votes

lets solve it
first multiply each term by x :-

x^2 - 7 = 6x
x^2 - 6x - 7 = 0
(x - 7)(x + 1) = 0

x = 7 and x = -1

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