Question

when do you value of 3 x minus 2 x square + 1 when x is equal to -1
( by step by step)​

Answer 1

Step-by-step explanation:

(x-1)/2x=3

thus by cross multiplication,

x-1=6x

-6x+x=1

x=1/5

(1)

(x^2+1)/4x^2

substituiting value of x

[(1/5)^2+1}/4(1/5)^2

[(1/25+1]/4*1/25

((1+25)/25]/[4/25]

26/25*25/4

26/4

13/2=6.5

Answer 2

Answer:

-5

Step-by-step explanation:

$3 - 1 - 2 { - 1}^{2}$

$- 6 + 1$

$= - 5$

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