Factorise- : x2- 4x-45
Answers
Answered by
4
x = (4 +- √16 + 180)/2
x = (4 +- 14)/2
x = 9, or -5
Answered by
0
Answer:
7-#
Step-by-step explanation:
gah373 hey73 3 272y
ju38. 726+#(-37
=$°|
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