2.Product of (x+5)(x+4) is-
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Answer:
x^2+9x+20
Step-by-step explanation:
(
x
+
5
)
(
x
+
4
)
becomes:
(
x
×
x
)
+
(
x
×
4
)
+
(
5
×
x
)
+
(
5
×
4
)
x
2
+
4
x
+
5
x
+
20
We can now combine like terms:
x
2
+
(
4
+
5
)
x
+
20
x
2
+
9
x
+
20
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