Math, asked by rohansm628, 1 year ago

By how much does the expression 72z²-45z+4 exceeds the expression 30z-42z²-17

Answers

Answered by sky04970

31

Answer:the expression is 114z2 -75Z +21

Step-by-step explanation:

(72z2 -45Z +4)- (30Z-42z2- 17)

72z2+42z2-45Z-30Z +4+17

114z2-75z+21

Answered by ranjeetsify067

2

Answer:

Answer:the expression is 114z2 -75Z +21

Step-by-step explanation:

(72z2 -45Z +4)- (30Z-42z2- 17)

72z2+42z2-45Z-30Z +4+17

114z2-75z+21

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