3x -2 y is equal to 11 and x y is equal to 12 find the value of 27 x cube minus x y cube
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Step-by-step explanation:
xy = 12
x = 12/y-----(i).
3x - 2y= 11
3* 12/y- 2y= 11
(36 -2y²)/y= 11
36-2y²= 11y
2y²+ 11y - 36=0
do the factor is at ion.
Answer will come out of y.put it in equation I
get the value of x.
put values of x and y in the equation.
You get the answer.
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