To factor this collect the like terms..2y would go with -7y to make -5y etc. Then factor the expression by factoring out 9 Your final answer should be 9(1-y+x^2)
If you need to simplify this calculate the sum or difference between numbers (3-1+7=9)
Your final answer for this should be 9-9y+9x^2
Hope this helps!
The expression used to check the quotient would be:
3x=646
Then, do as you normally would and divide 646 by 3.
Answer:
21:9 14:6 42:18
Step-by-step explanation:
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