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Mathematics 22 Online
OpenStudy (anonymous):

Multiply (4x - 5)(4x + 5).

OpenStudy (hoblos):

(a-b)(a+b) = a^2 - b^2 use this formula

OpenStudy (anonymous):

\[16x^2+25\]

OpenStudy (precal):

|dw:1334168716575:dw|

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