The function f(x) = 4x + 30 represents the length of a rectangle. The function g(x) = x − 1 represents the width of the rectangl
2 answers:
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Answer:
Option B 3,-3,-6 is correct.
Step-by-step explanation:
We need to find real zeroes of
Solving
Taking x^2 common from first 2 terms and -9 from last two terms we get
Taking (x+6) common
x^2-9 can be solved using formula a^2-b^2 = (a+b)(a-b)
Putting it equal to zero,
So, Option B 3,-3,-6 is correct.