Answer:
The equation is,
Step-by-step explanation:
According to the question, the equation is cubic and have roots -1 (with multiplicity of 2) and -2.
So, the equation is,
[Since, when a , b , c are the roots of a cubic equation, the equation is
given by ]
Answer:
The number of hours did Sarah practice more than Leilani is hours .
Step-by-step explanation:
Given as :
The time for which Leilani practiced piano = hours
The time for which Sarah practiced piano = hours
Let the number of hours did Sarah practice more than Leilani = T hours
<u>Now, According to question</u>
The number of hours did Sarah practice more than Leilani = hours -
hours
Or, T = hours
Or, T = hours
So,The number of hours did Sarah practice more than Leilani = T = hours
Hence, The number of hours did Sarah practice more than Leilani is hours . Answer
