Find all real numbers x that satisfy the equation (x-4)(x+3) = 0

x=4 and x=-3

Step-by-step explanation:

You have to set each one equal to zero and solve for x

x-4=0          x+3=0

+4  +4          -3  -3

x=4              x=-3  

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d