Question

find the value of 2x³ –3x²+5x+6when x=3 and​

Answer 1

Question:

• Find the value of 2x³-3x²+5x+6 when x=3

Answer:

• The value is 48

Step-by-step Explanation:

Given:

• p(x) = 2x³-3x²+5x+6 ; g(x) = 3

To find:

• Value of given polynomial; 2x³-3x²+5x+6

Solution:

p(x) = 2x³-3x²+5x+6

Putting value; 3

p(3)= 2(3)³-3(3)²+5(3)+6

p(3)= 2(27)-3(9)+15+6

p(3)= 54-27+15+6

p(3)= 54-27+21

p(3)= 75-27

p(3)= 48

• Value of the given polynomial is 48

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