alexwing285 alexwing285

15-05-2017
Mathematics

contestada

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

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 class=

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Аноним Аноним

15-05-2017

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

Answer Link

lizzyvet1 lizzyvet1

15-05-2017

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

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

Answer Link

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