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

Question

Mathematics

Ashlyn Olson

15 November, 16:14

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

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Answers (1)

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Aidan · Answer 1

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