Question

$4x {}^{3} yz {}^{2} + 2ryz$=???
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Answer 1

11 {y}^{2} - 116y - 5511y

2

−116y−55

On solving :

\begin{gathered}11 {y}^{2} -116y - 55 \\ \\ = > 11 {y}^{2} - 121y + 5y - 55 \\ \\ = > 11y(y - 11) + 5(y - 11) \\ \\ = > (11y + 5)(y - 11)\end{gathered}

11y

2

−116y−55

=>11y

2

−121y+5y−55

=>11y(y−11)+5(y−11)

=>(11y+5)(y−11)