Question

If x + 1 by X equal to 9 x minus one by X equal to 6 then what is the value of x 4 minus one by X using property

Answer 1

Answer:

-9, 7

Step-by-step explanation:

Given equation is:

x−3

1

−

x+5

1

=

6

1

⇒

(x−3)(x+5)

x+5−(x−3)

=

6

1

⇒

x

2

+2x−15

x+5−x−3

=

6

1

⇒

x

2

+2x−15

8

=

6

1

⇒48=x

2

+2x−15

⇒x

2

+2x−63=0

⇒x

2

+9x−7x−63=0

⇒x(x+9)−7(x+9)=0

⇒(x+9)(x−7)=0

⇒x+9=0 or x−7=0

⇒x=−9 and x=7

Hence, x=−9,7 are the required solutions.

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