Answer:
-1ab^2 + 5b + 8
Step-by-step explanation:
3a^2+9ab+5-4a^2-4ab+3
3a^2-4ab^2=-1ab^2
9ab-4ab=5ab
5+3=8
-1ab^2+5ab+8
The quadratic formula is
.
From the problem, a is 1, b is -1, and c is 12. Plugging in these values gives:

Because there is a square root of a negative number, there is no solution.
It'd be 32 degrees F warmer
13-(-19)
=32
Root of 49
Solutions are 7 and -7
We know that 7 is the square root of 49.
A negative number multiplied by itself gives positive
So -7 is also a square root of 49
Answer:

Step-by-step explanation:
Given,
Side of the square

Therefore, area of the square = side × side


