Answer: 77
Step-by-step explanation:
For this case, we must simplify the following expression:
By properties of powers and roots we have to:
It can be written equivalently as:
Then, the previous expression can be written as:
Simplifying we have:
Returning to the radical form we have:
Answer:
It is 2x(x-7)+3(x-7) = (2x+3)(x-7)
Answer:
x^2-49 (If the equation was equal to zero it would be {x=7,-7})
Step-by-step explanation:
(x+7)(x-7)
x^2-49