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Question
Simplify : `"p"^2"x"-2{"px"-3"x"("x"^2-overline(3"a"-"x"^2))}`
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Solution
`"p"^2"x"-2{"px"-3"x"("x"^2-overline(3"a"-"x"^2))}`
= p2x − 2 {px − 3x (x2 − 3a + x2)}
= p2x − 2{px − 3x (2x2 − 3a)}
= p2x − 2{px − 6x3 + 9ax}
= p2x − 2px + 12x3 − 18ax
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