(3x3 - 7x2 + 12) - (3x3 + 6x2 + 10x)

Mathematics

2 answers:

Ganezh [65]3 years ago

8 0

Answer:

Step-by-step explanation:

The correct answer is -13x2 - 10x + 12. The negative is distributed inside the parentheses first to get 3x3 - 7x2 + 12 - 3x3 - 6x2 - 10x. The 3x3 and - 3x3 cancel each other. The - 7x2 and - 6x2 combine to give you -13x2. The -10x is alone. The 12 is alone.

inn [45]3 years ago

6 0

(3x³ - 7x² + 12) - (3x³ + 6x² + 10x)
(3x³ - 3x³) + (-7x² + 6x²) - 10x + 12
-x² - 10x + 12

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