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

User Nisaa
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1 Answer

3 votes

Answer:

396

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

User Sibeesh Venu
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