Question

find a the following products and verify the results for x=-1 and y=-2 (a)(3x2+2y2)(x+y)​

Answer 1

Step-by-step explanation:

FORMULA:

( - × - = +)

(+ × - = -)

(- × + = -)

(3 × -1 + 2×-2×2) × (-1+[-2])

-3 - 8 × -3

-24 × -3

-72