Respuesta :
Are you serious? This is so easy bro
Plug in 10 for x and 4 for y
8(10) - 7(4) = 56
Plug in 10 for x and 4 for y
8(10) - 7(4) = 56
Answer:
52
Step-by-step explanation:
X=10x =10
means here value of X is 1
y = 4y = 4
means here value of y is also 1
now substitute the values of X and y in the equation
8×1-7×1×(8×1-7×1)
8-7(8-7)
64-49
15