1.

Multiply 9x^2 and 2y^2 x^2​

Answer»

Step-by-step explanation:

Rewrite

(

9

x

+

2

y

)

2

as

(

9

x

+

2

y

)

(

9

x

+

2

y

)

.

(

9

x

+

2

y

)

(

9

x

+

2

y

)

EXPAND

(

9

x

+

2

y

)

(

9

x

+

2

y

)

using the FOIL Method.

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9

x

(

9

x

)

+

9

x

(

2

y

)

+

2

y

(

9

x

)

+

2

y

(

2

y

)

SIMPLIFY and combine like terms.

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81

x

2

+

36

x

y

+

4

y

2


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