(4x2
– 9x + 7) + (x2
+ 5x – 1) – (5x2
– 4x + 5) = How much ? (Select two correct
alternatives.)
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Answered by
3
Answer:
(4x2 - 2x) - (-5x2 - 8x)
= 4x2 - 2x + 5x2 + 8x.
= 4x2 + 5x2 - 2x + 8x.
= 9x2 + 6x.
= 3x(3x + 2).
Answer: 3x(3x + 2)
Answered by
4
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