2a-[5a^2-(4a-4a^2+14)]

add or subtract the polynomials, gather like terms, and write the simplified expression in standard form.
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1 Answer

2x -[5x^2 -(4x-4x^2 +14)]

become 2x -(5x^2 +4x^2 +4x -14)....2x -(9x^2 +4x -14)

or -9x^2 +(2x-4x)+14

-9x^2 -2x+14=0....or +9x^2 +2x -14=0

quadratik equashun giv roots=1.141047519 & -1.363269741
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