exam Maths Puzzle Numerical Ability

Use FOIL to find the product and match your result to the correct answer below:
(2x + 7)(x + 9)

A)x2 + 11x + 18
B)2x2 + 16x + 63
C)x2 + 25x + 63
D)2x2 + 25x + 63

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exam Other Question
i have to use synthetic diision . (2x^4-5x^3-50x+1) divided by (x-4). I have no clue where or how to insert zeros. x over x-5 + 3 over 5-x=2