Question

find the value of x^4-x^3+5 when x= -1

Answer 1

$\huge{\mathfrak{Heya\:mate}}$

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${x}^{4} - {x}^{3} + 5$

${\red{\boxed{\: x = - 1}}}$

$= > {( - 1)}^{4} - {( - 1)}^{3} + 5 \\ = > 1 + 1 + 5 \\ = > 7$

${\red{\boxed{x = 7}}}$

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$\huge\sf{Thanks}$