Question

5. Simplify:
2xy (x - 4) + 5y and find its value for (i) x = 2, y = -1 (i) x
(1) x = 2, y = -1 (i) x =​

Answer 1

Answer:

3

Step-by-step explanation:

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Answer 2

Answer:

3

Step-by-step explanation:

2xy(x-4) +5 y

2x^2y-8xy+5y

Putting the value of x=2 and y=-1

2{(2)^2*-1 }-8{2* (-1)}+5*-1

2 (-4) - 8 (-2) + (-5)

-8 + 16-5

8-5

=>3.

Hence the answer is 3.