Asked by Jalen
The area of a square garden is represented by the quadratic expression 9x2 - 12x + 4. The length of one side of the square garden is 91 inches. What is the value of x ?
Hint: Since the garden is in the shape of a square, the expression 9x2 - 12x + 4 is the product of two identical factors. Factor the expression to find these identical factors. Each factor represents the length of one side of the square. Therefore, each factor equals 91. Once you make one of the factors equal to 91, you can solve for x.
I personally don't understand this problem at all it gives me a alot of confusion with the 91
Hint: Since the garden is in the shape of a square, the expression 9x2 - 12x + 4 is the product of two identical factors. Factor the expression to find these identical factors. Each factor represents the length of one side of the square. Therefore, each factor equals 91. Once you make one of the factors equal to 91, you can solve for x.
I personally don't understand this problem at all it gives me a alot of confusion with the 91
Answers
Answered by
Steve
since 9 and 4 are both perfect squares, try (3x-2)(3x-2).
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