Question

Find the value of expression, if x = -1 and y = -2. 10 x^2 + 8y^2 - 39xy + 11.

Answer 1

Answer:

-25

Step-by-step explanation:

10x^2+8y^2-39xy+11

where (x= -1) and (y= -2)

10(-1)^2+8(-2)^2-39*(-1)*(-2)+11

10*1+8*4-39*2+11

10+32-78+11

53-78

-25

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