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fill in the blank with a constant, so that the resulting quadratic expression is the square of a binomial. x^2 + 22x + 8x =_____
 

 Apr 24, 2022
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Simplify as

 

x^2  +  30x  +  _____

 

Take 1/2 of 30   =15

Square  it  = 225  is the constant we  need

 

(x +15)^2  = x^2 +  30x  + 225

 

cool cool cool

 Apr 24, 2022
edited by CPhill  Apr 24, 2022

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