TBQ - Expand the given expressions — task. Maths CBSE Live product, Class 8.

Expand \((y + 11z – 4)(4y + 9)\).

Answer:

\((y + 11z – 4)4y\) \(=\)

i y^{i} + i zy - i y

\((y + 11z – 4) 9\) \(=\)

i y + i z - i

\((y + 11z – 4)(4y + 9)\) \(=\)

i y^{i} - i y + i yz + i z - i

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7. TBQ - Expand the given expressions