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Find the sum of 3x2−7x+5 and x2−4x−9, subtract 5x2−8x−7.

Question 4 options:

−x2−3x+3

−x2−19x−11

x2−3x+3

−x2+3x−3

Sagot :

cenderwinstead

Answer:

-x2 -3x + 3

Step-by-step explanation:

(3x2-7x+5)+(x2-4x-9)-(5x2-8x-7)

4x2-11x-4 -5x2 +8x+7

-x2-3x+3

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