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How do I solve this expression? (x 9)(x-2)-9x-6

Sagot :

Answer:

x²-20x+12

Step-by-step explanation:

(x-9)(x-2)-9x-6

first multiply out (x-9)(x-2) = x²-9x-2x+18 = x²-11x+18

x²-11x+18-9x-6

add like terms

x²-20x+12

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