3 years ago

-3² = -13² = -1 9 = -9 (order of operations) while (-3)² = (-3)(-3) = +9 or 9

1 answer:

6 0

Answer: 20

Step-by-step explanation:

Assuming your question is:

Z² - X² - XY X = -2, Y = 3, Z = -4

Substitute values

(-4)² - (-2)² - {(-2)(3)}

{(-4)(-4)} - {(-2)(-2)} - (-6)

(16) - (4) + 6

16 - 4 + 6

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3 years ago

-3² = -1*3² = -1 * 9 = -9 (order of operations) while (-3)² = (-3)(-3) = +9 or 9