Question

please answer me fast please help me ​

Answer 1

Step-by-step explanation:

x=-2

x⁴-x³+7x

=(-2)⁴-(-2)³+7×2

=-2⁴+2³+14

=(-2×-2×-2×-2)+(2×2×2)+14

=16+8+14

=38

please mark me as brainliests