Question

Hey..

(⬇⬇)
${y}^{2} - 10y + 21$
${2x}^{2} + 3x + 1$

plz answer......​

Answer 1

Answer:

1) 2x2+2x+x+1

2x(x+1)+1(x+1)=0

x=-1 x=-1/2

2) y2-7y-3y+21=0

y=7 and y=3