Question

Factories using identity y2-28y + 196​

Answer 1

Answer:

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Answer 2

$Given \: Quadratic \: expression :$

$y^{2} - 28y + 196$

$= y^{2} - 2 \times y \times 14 + 14^{2}$

$= ( y - 14 )^{2}$

/* By algebraic identity */

$\boxed{ \pink{ a^{2} - 2ab + b^{2} = (a-b)^{2} }}$

$= ( y - 14 )( y - 14 )$

Therefore.,

$\red{ Factors \:of \: y^{2} - 28y + 196}$

$\green {= ( y - 14 )( y - 14 ) }$

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