10.(3q+7p2-2r+4) -(4p²-2q+71-3) = ?
(a)(3p'+5q-9+7)
(b) (-3p2-5q+9r-7)
(c) (11p+q+5r'+1)
(d) (p +29+5r+1)
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Answer:
(p+29+5r+1)
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( 3q + 7p ² - 2r + 4 ) - ( 4p ² - 2q + 71 - 3 ) = ?
3p² + 5q - 9r - 7
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