Example 1.
Solution :
Solve : 3x2 + 10x = 25.
3x2 + 10x = 25 – 3x2 + 10x - 25 = 0
3x2 + 15x - 5x - 25 = 0
3.x (x + 5) - 5 (x + 5) = 0
(x + 5) (3x - 5) = 0
X + 5 = 0 or 3x - 5 = 0
5
x = - 5 or x =
3
5
... Solution set = -5,
3
(Zero Product Rule)
Answers
Answered by
1
Step-by-step explanation:
everything is given
what we have to do in this ??
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