jaylan0217 jaylan0217

11-02-2022
Mathematics

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Which expression is equivalent to (7x+9y)2

Which expression is equivalent to 7x9y2 class=

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qazijnwsxuhb qazijnwsxuhb

11-02-2022

Answer:

[tex]49x^2+126xy+81y^2[/tex]

Step-by-step explanation:

Use the square of a binomial theorem

[tex](a+b)^2[/tex]= [tex]a^2+2ab+b^2[/tex]

Now expand the given equation:

[tex](7x+9y)^2=49x^2+126xy+81y^2[/tex]

Hope this helps :)

Have a great day!

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