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. The length of a square board is (5x+3). Find the area of the board. Hint: Formula A=l*w
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12 votes
. The length of a square board is (5x+3). Find the area of the board. Hint: Formula A=l*w

User Morkro
by
7.1k points

2 Answers

10 votes

Answer:

64

Explanation:

User Bruchowski
by
7.2k points
1 vote

Answer:

A = 25x^2 + 30x + 9

Explanation:

A = (5x+3) * (5x+3) or A = (5x+3)^2

A = 5x*5x + 5x*3 + 5x*3 + 3*3

A = 25x^2 + 15x + 15x + 9

A = 25x^2 + 30x + 9

User Ralu
by
6.8k points
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