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Need an answer fast, please.

Need an answer fast, please.-example-1
User Rachid O
by
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2 Answers

2 votes

Answer:

D. 15x^2 + 62x +63

Explanation:

Area of rectangle = L x W

L = 3x + 7 ; W = 5x + 9

=> A = (3x + 7) x (5x +9) = 15x^2 + 62x +63

User Nicolas Cadilhac
by
5.3k points
13 votes

Answer:

D. 15x² + 62x + 63

Explanation:

rectangle area: length * width

Here the length is ( 3x + 7 ) and width is (5x+9)

using the formula:

( 3x + 7 )(5x+9)

15x²+27x+35x+63

15x² + 62x + 63

User Baffe Boyois
by
6.0k points