Question

b) x - 3x2y + 2xy2 + 8xy +9 when x= - 3 and y= 1
s of 3 x2 + 9 x + 6​

Answer 1

Answer:

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Answer 2

Answer:

(-3)-3(-3)2(1)+2(-3)(1)2+8(-3)(1)+9

(-3)-3(9)-6-24+9

(-3)-27-30+9

-30-30+9 = -51

3(-3)2+9(-3)+6

3(9)-27+6

27-27+6 = 6