which polynomial should be subtracted from x^3+2x^2+5x-1 to get 2x^2+4
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Answer:
-x³-5x+5
Step-by-step explanation:
=> x³+2x²+5x-1 - ? = 2x²+4
=> ? = ( 2x²+4 )- (x³+2x²+5x-1)
=> ? = (2x²+4) - (x³+2x²+5x-1)
=> ? = -x³-5x+5
∴ The polynomial that should be subtracted from x³+2x²+5x-1 to get 2x²+4
is
-x³-5x+5
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