Question

ar+br+at+bt factorise

Answer 1

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ar+br+at+bt
(ar+br)+(at+bt))
r(a+b)+t(a+b)
(a+b)+(r+t).✨✨✨


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Answer 2

$Heya \: @user$

Heya friend here is your answer

ar+br+at+bt


=ar+at+br+bt


=a (r+t)+b(r+t)


(a+b)(r+t)

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hope it helps to you.