Question

What should be added to 10z3 - 4z2 to get 14 z3 + z2 - z

Answer 1

Answer:

4z3+5z2-z

Step-by-step explanation:

(14z3+z2-z)-(10z3-4z2)= (14z3+z2-z-10z3+4z2)=4z3+5z2-z

Answer 2

Answer:

4z³ - 3z² - z

Step-by-step explanation:

(10z³- 4z²) + ( ? ) = 14z³ + z² -z

( ? ) = (14z³ + z² - z) - (10z³ - 4z²)

( ? ) = 4z³ - 3z² - z

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