Question

10x2 + 24y2 – 8xy when x = 1 ; y = -1

Answer 1

Answer:

10x² + 24y² -8xy = 42 when x= 1 , y = -1.  

Step-by-step explanation:

Here, x = 1, y = -1.  

Then 10x² + 24y² - 8xy

= 10×1² + 24×(-1)² - 8×1×(-1)  

= 10 + 24 + 8  = 42