Question

find the value of polynomial 4 x square- 5x plus 3 x=-1​

Answer 1

Answer:

4x²-5x+3

x=1/2

4(1/2)² - 5(1/2) +3

1 - 5/2 + 3

(2-5+6)/2

3/2

Answer=3/2

Answer 2

Step-by-step explanation: Given polynomial is 4x  

2

−5x+3

We need to find the value of polynomial at x=−1.

Replace x by −1, we get

p(x)=4x  

2

−5x+3

⇒p(−1)=4(−1)  

2

−5(−1)+3

⇒p(−1)=4+5+3

⇒p(−1)=12

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