Decide which of the following are quadratic equations with explanation?
(1) 3 - 5x + 3 = 0
(2) 9 +5=0
(3) m - 5m + 4-0
(4) (I+ 2) (I - 5) = 0
Answers
Answered by
1
Answer:
(1). 3 - 5x + 3 = 0 is right answer
Answered by
0
4)(l+2)(l-5)=0
Step-by-step explanation:
because when we further expand
we get,
l^2-5l+2l-10
l^2-3l-10
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