221k views
0 votes
PLEASE HELP FAST!

Find the value of the expression 2x4–5x3+x2+3x+2 for:

x=-5

30 POINTS FOR ANYONE WHO DOES THE ANSWER

User Sy
by
4.6k points

2 Answers

4 votes

Answer:

1887

Explanation:

Remeber to start by using PEMDAS.

2(-5)^4-5(-5)^3+(-5)^2+3(-5)+2

2(625)-5(-125)+25-15+2

1250+625+12

User Ricardo Canelas
by
5.2k points
2 votes

Answer:

The value of the expression is 12

Explanation:

First set up the expression

2x4 - 5x3 +x2 +3x + 2

Then you plug in for x

2(-5) 4 - 5(-5) 3 + (-5)2 + 3(-5) + 2

After you start multiplying everything out for x

(-10)4 -(-25)3 + (-10) + (-15) + 2

Then you begin to add or subtract

-40 - (-75) - 10 - 15 + 2

-40 + 75 - 25 + 2

35 - 23

12

User Warrocker
by
4.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.