Question

-y²+35y+156 गुणनखंड विधि​

Answer 1

Plz mark as brainliest...

Answer 2

Questions

-y²+35y+156

Solution

$- {y}^{2} + 35y + 156$

$- ( {y}^{2} - 35y - 156)$

$- [ {y}^{2} + ( - 39 + 4)y - 156]$

$- ( {y}^{2} - 39y + 4y - 156)$

$- [y(y - 39) + 4(y - 39)]$

$- (y - 39)(y + 4)$

ありがとうございました....