Question

If x=-1 and x=2 then what is the value of -2xy² (7xy³-8x²y²)​

Answer 1

Answer:

I think u mean x = -1 and y = 2. Then:

-2xy² (7xy³-8x²y²)​

=> 8 (-56 - 32)

=> 8 x - 88

=> -704

Hope this helps you...