Question

if the expression -5 x y minus x 2 y 2 + 3 is evaluated when x = -1 and y = -1 then what is the exact value​

Answer 1

Answer:

15

Step-by-step explanation:

it is given has ,

so,

–5(–1) (–1) minus –1(2) (–1) 2+3

–5 minus –1(2) (–1) 5

–5 minus 2×5= 10

–5 – 10 =15

answer = 15