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12. Which of the following given has a sum of 3x2+ 10x + 10
a (5x2 +21x + 4) + (-2x2 - 11x + 6)
c (-5x2 + 2x + 4) + (-2x2-11
b. (5x+21x+4) (-2x2 - 11x+6)
d (5x2+2x+4)/(-23
folgtis
1641205110Y?​


Sagot :

Answer:

A (5×2+21×+4)+(-2×2-11×+6)

Step-by-step explanation:

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