3 years ago

Use the difference of two squares to find the product of 22 and 18.

Mathematics

1 answer:

vladimir2022 [97]3 years ago

4 0

Answer:

396

Step-by-step explanation:

Difference of two squares is breaking down numbers into pieces and using the distributive property to solve. The pieces should be in the form (a-b)(c+d).

Write 22 as (20 + 2) and 18 as (20-2).

(20+2)(20-2) = 400 + 40 - 40 - 4 = 400 - 4 = 396

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