Answer:
dont know need points
Step-by-step explanation:
Answer:
u= 55
Step-by-step explanation:
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Answer:
The correct answer is 11x² + 11x - 6
Step-by-step explanation:
The given expression is,
(4x² + 12x - 9) + (7x² - x + 3)
<u>Simplify the given expression</u>
(4x² + 12x - 9) + (7x² - x + 3) = 4x² + 12x - 9 + 7x² - x + 3
= 4x² + 7x² + 12x - x - 9 + 3
= 11x² + 11x - 6
Therefore the simplified form of given expression is 11x² + 11x - 6
Answer:
8/3
Step-by-step explanation:
Subtract 6n and subtract 1
3n = 8
Divide by 3
n = 8/3
