Question

(5/3x+3/4y) ^2- (5/3x-3/4y)^2 evaluate when x=2 and y= -1
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Answer 1

Answer:

x = -2, y = 3, and z = -4

5(3x + 2) + 4y – 2xz

plug the values of x,y,z

+5%283%2A-2+%2B2%29%2B4%2A3-2%2A-2%2A-4

5%2A%28-4%29%2B%2812%29-%2816%29

-20%2B12-16

=-24

Answer 2

Answer:

-5

Step-by-step explanation:

Please refer to the attachment.