Answer:
6
Step-by-step explanation:
Step-by-step explanation:
X-2=0 or x+10=0
X=2 or x=-10
Two roots
Answer:

Step-by-step explanation:
If the value of variables of algebraic expression are given, the value of the term or expression can easily obtained by replacing the variables with numbers.





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It’s -63 all you would be multiple like normal 63 which then you put a negative symbol on front