aman gupta bought 2 tv srts for 42500 he sold one at a loss of 10% and the other at a gain of 12% if the sp of each tv set is same then find cp of each tv set
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Answered by
0
Answer:
(
x
+
8
)
(
x
+
9
)
When you factor a quadratic expression where the number in front of the square term is
1
, you are looking for two numbers whose product equals the last term and whose sum equals the middle term.
Take the equation:
x
2
+
17
x
+
72
We are looking for two numbers with a product of
72
and with a sum of
17
. Which two numbers are those?
If you thought
8
and
9
you would be correct.
x
2
+
17
x
+
72
=
(
x
+
8
)
(
x
+
9
)
Let's redistribute it to check:
(
x
+
8
)
(
x
+
9
)
(
x
2
+
9
x
+
8
x
+
72
)
(
x
2
+
17
x
+
72
)
Step-by-step explanation:
Answered by
0
Answer:
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