Answer:
Transitive property
But it looks like substitution.
Step-by-step explanation:
In order to find the answer, we need to multiply 15 x 12 then find the exponent based on the object shape (2D/3D).
15 x 12 = 180.
If the object is 2D, the exponent is 2 (squared). If the object is 3D, the exponent is 3 (cubed). We can tell that the object is 2D, so the exponent is 2.
The answer is 180^2, or 180 squared.
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X^2-48 can be viewed as a difference of squares which would factor to:
(x+√48)(x-√48)
So b=√48
