Question

evaluate the expression below if x=-1 and y=3.
3x²-y²

Answer 1

the answer is -12 I believe

Answer 2

Answer:

-6

Step-by-step explanation:

3x² - y²

plug in x and y

3(-1)² - (3)²

according to PEMDAS, solve the exponents first.

3(1) - 9

multiply

3 - 9

subtract

= -6