Step-by-step explanation:
512+18=530
423+12=435
5421+14=5435
6324+32=6356
7985+23=8008
Do it ur self etc so don't ask me
Answer:
2) 4,2
Step-by-step explanation:
<u>Factor by grouping:</u>

Setting the expression equal to 0 and using the Zero Product Property,
and
, which are the factors of the original polynomial.