Factorize using identity (x+a)(x+b)
a. y^2+5y+45
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Step-by-step explanation:
a. y^2+5y+45
= (x+a)(x+b)
= x=y^2,a=5y,b=45
= (y^2+5y)(y^2+45)
= y^4+45+5y
= 5y^4+45
= 5y+11.25
= y= 55.25
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