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Addition and Subtraction of Algebraic Expression

Simplify the ...

Question

Simplify the polynomial and write it in standard form:
$- 4 (8 x - 10) - 3 (7 x - 1) + 3 (4 x) + 12$

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Solution

$- 4 (8 x - 10) - 3 (7 x - 1) + 3 (4 x) + 12$
$= - 32 x + 40 - 21 x + 3 + 12 x + 12$
$= - 32 x - 21 x + 12 x + 40 + 3 + 12$
$= - 41 x + 55$
Ans $= - 41 x + 55$

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