Question

6. By how much does the expression 72z² - 45z + 4 exceed the expression 30z - 42z²- 17.​

Answer 1

Answer:

So , the expression 72z²-45z+4 exceeds the expression -42z²+30z-17 by 114z²-75z+21 . Hope you've understood!

Answer 2

Answer:

So , the expression 72z²-45z+4 exceeds the expression -42z²+30z-17 by

 114z²-75z+21 .

Hope you've understood!