Answer:
Step-by-step explanation:
hello :
x²-3x-10=0 means : (x-5)(x+2)=0
x-5=0 or x+2=0
conclusion two solutions : 5 and -2
Answer:
second choice
Step-by-step explanation:





Let x = 5:



Since using x = 5 gives the square root of a negative number, 5 is not in the domain of the composition of the functions.
Answer: second choice
The answer is c.2 I hope it’s right
Answer:
272cm2
Step-by-step explanation:
4m×2=8
width ×long=area
8m×24m=272cm2