Step-by-step explanation:
because we can also find out the value of x in second equation like this
3x=21
x=21/3
x=7
Answer:
um
Step-by-step explanation:
176 10cent per 1 message
Answer:
(4,1,3)
Step-by-step explanation:
Attached you will see the answer (use polynomial division)
Answer:
The difference of squares is (a - b)(a + b) = a² - b². Since a = x and b = 2, the answer is x² - 4.