castilloesperanza399
Answered

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Evaluate the expression when m= -3.
m² + 5m - 4​

Sagot :

malakzuhair17
(-3)^2=9
9+5(-3)
9-15=-6
SenorMathWiz

Answer:

-10

Step-by-step explanation:

m² + 5m - 4​

m = -3

-3² + 5(-3) - 4

Apply exponent: -3² = -3 * -3 = 9

9 + 5(-3) - 4

Multiply 5 and -3

9 - 15 - 4

Subtract 15 from 9

-6 - 4

Subtract 4 from -4

= -10

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