Answer:
A. don't know if this helps but with plotting but (x, y) the x always comes first
You should ask your parent/guardian or teacher if needed! Merry Christmas!
27a² + 18ax + 45a = 9a(3a + 2x + 5)
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This missing part is 3a + 2x + 5.
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So X to 32-X equals to 42 to 6.
So X to 32-X ois 42 to 6 which is 7 to 1
So X is something :P find it out urself