The answer
the main rule for a square root calculus is given by √A*√B = √A*B, for all value positive of A and B
so we can extended the given value of the fonction as
√x-7 *√x+1 = √x-7 *√x+1 = √(x-7 )* (x+1)
but the extended form of (x-7 )* (x+1) is (x-7 )* (x+1) = x² + x -7x -7= x²-6x -7
therefore, √(x-7 )* (x+1) = √(x²-6x -7), the value which is equivalent to the radical expression is B)√x^2-6x-7, <span>when x≥7</span>
Answer:
D
Step-by-step explanation:
since p is an odd number choice C can't be the answer because 4 is even number
Q is an even number so that choice B can't be answers because 3 is an odd number .
and for A 6 isnot a prime number so that it proves tim is correct.
but when we see D 2 is a prime number so that it shows tim is wrong.
Answer:
I'm gonna go with B
Step-by-step explanation:
Don't take my word for it
Answer:
5x² + 2x - 3 - px - p
= 5x² + 5x - 3x - 3 - p(x + 1)
= 5x(x + 1) - 3(x + 1) - p(x + 1)
= (x + 1)(5x - 3 - p)