Question

What should be added to (3x2 + 4) to get (9x2-7)

Answer 1

Answer:

Let n be the number to be added to 3x² + 4

n + 3x² + 4 = 9x² - 7

n = 9x² - 3x² - 7 - 4

n = 6x² - 11

6x² - 11 should be added to 3x² + 4 to get 9x² - 7.

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Answer 2

Answer:

the answer is 11/10.

Step-by-step explanation:

x × (3×2 +4 )=(9×2-7)

or, x × (6+4) = (18-7)

or, x × 10 = 11

or, x = 11/10

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