Completing the square....
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Completing the square....

[From: ] [author: ] [Date: 13-09-25] [Hit: ]
......
x^2 + 3x - 5



Include the working out please ^^

Thank you so so much!!

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= x^2 + 3x + 2.25 - 2.25 - 5
= (x + 1.5)^2 - 7.25

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Given : x^2 + 3x - 5

Complete the square

Grouping the term
=>(x²+3x)-5

Take one half of the coefficient of x
and square it then add and subtract it
=> (x²+3x+9/4)-5-9/4
=>(x+3/2)²-29/4
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