lohanasherdha lohanasherdha

31-10-2020
Mathematics

contestada

Factorize the following:9a²-42a+49

Respuesta :

ggenessisss ggenessisss

31-10-2020

(3a-7) ^2 i believe

Answer Link

edsheeran14 edsheeran14

31-10-2020

Answer:

(3a-7)²

Step-by-step explanation:

Sum=-42

Prodect=441

9a²-21a-21a+49

3a(3a-7)-7(3a-7)

(3a-7)(3a-7)

=(3a-7)²

Answer Link

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