QUESTION:
[tex]6 {x}^{3} {y}^{3} + 5 {x}^{2} {y}^{2} - 2xy - 250 \: if \: x = - 4 \: and \: y = - 6[/tex]
Step-by-step explanation:
[tex]6( { - 4})^{3} ( - 6)^{3} + 5( { - 4})^{2} ( { - 6})^{2} - 2( - 4)( - 6) - 250 \\ = 6( - 64)( - 216) + 5(16)(36) - 2(24) - 250 \\ = 6(13824) + 5(468) - 48 - 250 \\ = 82944 + 2340 - 298 \\ = 85284 - 298 \\ = 84986[/tex]
I HOPE IT HELPS