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2 votes
The value of the polynomial 5x - 4x² + 3 when x = -1 is​

2 Answers

5 votes
5(-1)-4(-1)+ 3

-5 + 4 +3

-5 +8 +3

= 6
answered
User Snnsnn
by
7.7k points
3 votes

Hey there! I'm happy to help!

Let's plug in this x value.

5(-1)-4(-1)²+3

We follow PEMDAS and evaluate exponents first.

5(-1)-4(1)+3

We multiply.

-5-4+3

-9+3

-6.

Have a wonderful day! :D

answered
User Caninonos
by
7.2k points

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