Question

7√2 K squared - 10k -4 √2 factorise

Answer 1

7√2k² -10k-4√2



∴7√2k²-14k+4k-4√2




∴7√2k(k-√2)+4(k-√2)


∴(7√2k+4)(k-√2)



Therefore k=√2,k=-4/7√2




Hope it helps?.... !

Answer 2

Hy
7√2 ksq -10k-4√2=0

7√2 k sq -14k +4k -4√2=0

7√2k(k -√2)+4(k-√2)=0

(7√2k+4)(k-√2)=0

k= -4/7√2,√2 Ans