SOLUTION: multiply: (x-9/2)(x+2/9)

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Question 380292: multiply:
(x-9/2)(x+2/9)
Answer by CharlesG2(834) About Me  (Show Source):
You can put this solution on YOUR website!
multiply:
(x-9/2)(x+2/9)

FOIL
First Outer Inner Last

x^2 + 2/9 * x - 9/2 * x - 9/2 * 2/9 (9/2 and 2/9 are reciprocals)
x^2 + 2/9 * 2/2 * x - 9/2 * 9/9 * x - 1 (need common denominators)
x^2 + 4/18 * x - 81/18 * x - 1
x^2 - 77/18 * x - 1