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Semenov [28]
2 years ago
11

Using polynomial identities to multiply (3-2x^2)(3+2x^2)

Mathematics
1 answer:
irinina [24]2 years ago
7 0

Answer: −4 to the power of 4 +9

Step-by-step explanation:

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zhuklara [117]

Answer:

She is right, it won´t always work.

Step-by-step explanation:

Hi, in the examples this tactic works because the first numbers, when multiplied, don´t equal 10 (7x6=42 and 8x7=56). If you multiply both numbers and give you 10, you will have to add another zero to the final number and the trick would crash.

Example:

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Best of luck.

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