Yes, because a rational number is any number that can be expressed as a fraction a/b where a/b are both integers, but cannot be zero.
I am sorry i don’t understand can you just type it again ?
12x-27=2x+12
10x-27=12
10x=39
x=3.9
9 3/10- 1 7/10 is 7.6 or 7 3/5
Answer:

Step-by-step explanation:
Since it's a perfect square, we can simply use the formula:

Given the perfect square expression
. Apply perfect square formula:

Knowing laws of exponent is mandatory when it comes to algebra. Recall that:

Apply laws of exponent to simplify the terms or expression:

Since there are no like-terms to do operation with (these terms have different degrees so they are not considered to be like-terms.) Therefore, the final answer is:
