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3 years ago

9

12. The width w of a rectangular swimming pool is 7x2. The area A of the pool is 7x3 – 42x2. What is an expression for the lengt

h of the pool? Show your work.
SHOW YOUR WORK SHOW YOUR WORK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

1 answer:

KiRa [710]3 years ago

3 0

A = lw
7x³ - 42x² = l(7x²)
7x²(x) - 7x²(6) = l(7x²)

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