poklanima5lqp3
2022-05-07
Answered

Evaluate $2{u}^{2}-4u-5$ with u=-1.

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Ayaan Gonzalez

Answered 2022-05-08
Author has **11** answers

Replace the variable $u$ with $-1$ in the expression.

$2{(-1)}^{2}-4\cdot -1-5$

Simplify each term.

$2+4-5$

Simplify by adding and subtracting.

$1$

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