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Mathematics 9 Online
kekeman:

(-2x-1)(9x+2) A.) 7x^2-13x-2 B.) -18x^2-13x-2 C.) -33X D.) -18X^2-2

Tranquility:

Use the FOIL method to distribute

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|dw:1636507964577:dw|

karaallred:

Use Mathway really useful

kekeman:

-18x^2-4x-9x-2 -18x^2+(-4x-9x)-2 = -18x^2-13x-2

Tranquility:

@kekeman wrote:
-18x^2-4x-9x-2 -18x^2+(-4x-9x)-2 = -18x^2-13x-2
That's correct!

kekeman:

Ok thanks

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