# Expand. ( M + 2 3 ) ( M − 7 3 ) - Mathematics

Sum

Expand.

(m+2/3)(m-7/3)

#### Solution

(m+2/3)(m-7/3)

= (m)^2 + {2/3 + (-7/3)}m + (2/3) × (-7/3)

= (m)^2 + (2/3 - 7/3)m - 14/9

= (m)^2 - (5m)/3 - 14/9

Concept: Expansion of (x + a)(x + b)
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#### APPEARS IN

Balbharati Mathematics 8th Standard Maharashtra State Board
Chapter 5 Expansion formulae
Practice Set 5.1 | Q 7 | Page 24