Question

Solve this fast.

2y²-7020y+7920

Answer 1

Answer:

first 7020+7920 then you can solve easily

Step-by-step explanation:

Answer 2

$2y^2-7020y+7920$

$\mathrm{Rewrite\:}7920\mathrm{\:as\:}2\cdot \:3960$

$\mathrm{Rewrite\:}7020\mathrm{\:as\:}2\cdot \:3510$

$=2y^2-2\cdot \:3510y+2\cdot \:3960$

$\mathrm{Factor\:out\:common\:term\:}2$

$=2\left(y^2-3510y+3960\right)$