Question

factorize by identities
$49 {y}^{2} + 84yz + 36 {z}^{2}$
plz answer only if you know the answer, don't type unnecessarily ​

Answer 1

Answer:

Step-by-step explanation:

Using the identity a2 +2ab + b2 = {a+b}2

a = √49y2 = 7y

b = √36z2 = 6z

49y2 + 84yz + 36z = (7y + 6z)2

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