Question

2x(x-3)+2 when x=1 and x=1/2​

Answer 1

Given 2x(x-3)+2

 When x=1

= 2(1)(1-3) + 2 = 2(-2) +2= -4+2 = -2

 When x =1/2

= 2(1/2) [ 1/2 -3] +2

=(1-6)/2 +2 = -5/2 + 2

= -5+4/2= -1/2

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Answer 2

Answer:

Putting the value of x is 1

$2 \times 1(1 - 3) + 2$

$2 \times 2 + 2$

$= 4$

Putting the value of x is 1/2

$2 \times \frac{1}{2} ( \frac{1}{2} - 3)2$

1×(1-6/2)+2

1×(1-6/2)+21×2+2

1×(1-6/2)+21×2+24