
The property that justifies multiplying through eqn(2) by -2 is;
the rationalization to align the coefficients of x in both equations with a view to eliminating the terms in x.
Answer:
(x-3) (x+10)
Step-by-step explanation:
Answer:
180000
Step-by-step explanation:
30600/17=1800
1800•100=180000
Answer:
15,17,19
Step-by-step explanation:
Make an equation : 
Solve the equation:



Since x=15 then the second number is 17 and then 19
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