x^2 + 3x - 5
Include the working out please ^^
Thank you so so much!!
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
= (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
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