Jawabanmu

2014-08-20T19:48:24+07:00
1.(5y+3)(5y+3)= 25y²+15y+15y+9= 25y²+30y+9
2. (m+5)(m+5)= 2(m²+10m+25) = 2m² +20m+50-m²+9= m²+20m+59









nomor 3 nya ?
tadi buru-buru jadi nggak sempet