Question

Using suitable identities,find the product
(3x+5)(3x+5)

Answer 1

Hey frnd:
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Here is yr answer _______________________________


$= > \: (3x + 5)(3x + 5) \\ \\ = > \: {(3x + 5)}^{2} \\ \\ it \: is \: in \: the \: form \: of \: \\ \\ {(a + b)}^{2} = {a}^{2} + 2ab + {b}^{2} \\ \\ a = 3x \: \: b = 5 \\ \\ = {(3x)}^{2} + 2(3x)(5) + {5}^{2} \\ \\ = {9x}^{2} + 30x + 25$
Hope it hlpz...

Answer 2

Step-by-step explanation:

(3x+5)(3x+5)=(3x+5)^2

(3x)^2+2(5)(3x)+5^2

9x^2+30x+25