1) 21x2 - 29x - 10 = 0
Answers
Answered by
1
Answer:
Explanation:
21
x
2
+
29
x
−
10
21
x
2
+
35
x
−
6
x
−
10
7
x
(
3
x
+
5
)
−
2
(
3
x
+
5
)
(
3
x
+
5
)
(
7
x
−
2
)
∴
Factors of above equation are
3
x
+
5
and
7
x
−
2
.
Answered by
3
Answer:
x=-5/3 or x=-2/7
Step-by-step explanation:
21x²+35x-6x-10=0
7x(3x+5)-2(3x+5)=0
3x+5 or 7x-2=0
3x+5=0 or 7x-2=0
x=-5/3 or x=-2/7
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