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What is the sum of (2x2−3x+2)and(x2−x−1) ?

Select one:

a.
3x2−4x+1


b.
3x2−4x−1


c.
3x2+4x+1


d.
−3x2−4x+1


Sagot :

Answer:

a

Step-by-step explanation:

2x2-3x+2

x2-x-1

=3x2-4x+1