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Mathematics 9 Online
OpenStudy (anonymous):

factor completely. 25h^2 + 50h + 16

OpenStudy (anonymous):

try \[(5h+4)^2\] and see if it works

OpenStudy (anonymous):

write it like this (5h + 4)(5h + 4)

OpenStudy (anonymous):

yes and then multiply out. i bet it will work

OpenStudy (anonymous):

all right thank you

OpenStudy (anonymous):

yw

OpenStudy (anonymous):

it is not a perfect square trinomial since 2(5)(4)=40 not 50

OpenStudy (anonymous):

well how do you like that? dang

OpenStudy (anonymous):

ur right mandolino i just noticed that what do i do

OpenStudy (anonymous):

in that case i guess you have to resort to "factor by grouping"

OpenStudy (anonymous):

can u show how to do it plz

OpenStudy (anonymous):

but there are factors of 25*16=400 that sum to 50, namely 40+10, so you may rewrite 50h as 40h + 10h and factor by grouping (or use a trial and error method)\[25h^2+40h+10h+16\]\[=5h(5h+8)+2(5h+8)\]factor out the binomial as a GCF\[=(5h+8)(5h+2)\]this is the factored form

OpenStudy (anonymous):

sure, but first the correct answer is \[(5h+2)(5h+8)\]

OpenStudy (anonymous):

mandolino has it! that is the method

OpenStudy (anonymous):

great thank you so much satellite

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