Question

Subtract 2K² - 8K²-12 from
5K²+6K²- 4K 3 + 9KH15​

Answer 1

$(5 {k}^{2} + 6 {k}^{2} - 4k \times 3 + 9 \times 15k) - \\ (2 {k}^{2} - 8 {k}^{2} - 12) \\ \\11 {k}^{2} + 6 {k}^{2} - 12k + 135k + 12 \\ \\ 17 {k}^{2} + 123k + 12$

HOPE IT HELPS TO U

Answer 2

sab like term ko Mila ke subtract Kar do