Perform the indicated operations 4

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yhmabrzv

Mathematics

Description

X= -2  , y= -4 and z= 6

6(3x+y)

3x=2y / y

x-z/x^2-z^2

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Explanation & Answer

Question 1

6(3x+y) 

=6 * ( 3*(-2) + (-4) )

=6 * ( -6 - 4 )

=6 * -10

= -60



Question 2
(  3x-2y )/ y

= ( ( 3 * (-2))  - ( 2*-4) ) / -4
= ( ( -6 ) - ( -8 ) ) / -4
= ( -6 + 8 ) / -4 
= 2/-4
= -1/2


Question 3
x-z/(x^2-z^2)
= -2 - 6 / ( (-2)^2 - 6^2 )
= -8 / (4 - 36 )
= -8 / -32
= 1/4


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