Find zeros by factorisation : x - 6x + 8.
Answers
Answered by
10
Step-by-step explanation:
x
2
+6x−8=0⇒a=1b=6c=−8
x=
2a
−b
+
−
b
2
−4ac
x=
2×1
−6
+
−
(6)
2
−4×1×(−8)
x=
2
−6
+
−
36+32
=
2
−6
+
−
2
17
x=−3
+
−
17
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