Answer:
1260
Step-by-step explanation:
4x2 + 23x – 72
= (4x - 9)(x+8)
x = 1 and x =
In this equation, a=5, b=-1, c=-4.
Plug these into the quadratic formula:
x = and x =
Now, simplify the equations:
x = = = = 1
and
x = = = =
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