23. Add the following Polynomials
5x2 - 8xy, -3x2 + 2xy and -5x2 + 3xy
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Step-by-step explanation:
(2x2
+ 4x – 10) – (6x2
– x – 1) + (5x2
– 6x + 3)
= 2x2
+ 4x – 10 – 6x2
+ x + 1 + 5x2
– 6x + 3
= (2x2
– 6x2
+ 5x2
) + (4x + x – 6x) + (–10 + 1 + 3)
= x
2
– x – 6
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