(M+2n-3f)^2=Formula And Answer

(m+2n-3f)^2=formula and answer

 

Answer:

9f² - 6fm - 12fn + m² + 4mn + 4n²

Step-by-step explanation:

Given: (m + 2n - 3f)²

(m)² + (2n)² + (-3f)² + 2 (m)(2n) + (m)(-3f) + (2n)(-3f)

m² + 4n² + 9f² + 4mn - 6fm - 12fn

Arrange in standard form:

m² + 4n² + 9f² + 4mn - 6fm - 12fn

9f² - 6fm - 12fn + m² + 4mn + 4n²


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