If -1 is a zero of the polynomial 2x^
3
-x^2-5x-2, find its other zeroes.
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Answered by
1
Answer:
(2x+1),(x-1),(x+1)
Step-by-step explanation:
2x²-3x-2
x+1√2x³-x²-5x-2
2x³+2x²
-3x²-5x
-3x²-3x
-2x-2
-2x-2
0
(2x²-3x-2),(x+1)
(2x²-4x+x-2),(x+1)
(2x(x-4)+1(x-1)),(x+1)
(2x+1),(x-1),(x+1)are the zeroes of 2x^3-x^2-5x-2
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