find the product of (x+9)(x-2)
Answers
Answered by
1
Step-by-step explanation:
Each term in the second bracket must be multiplied by each term in the first bracket. This can be achieved as follows.
⇒
(
x
+
9
)
(
x
−
2
)
=
x
(
x
−
2
)
+
9
(
x
−
2
)
distribute the brackets.
=
x
2
−
2
x
+
9
x
−
18
collect like terms.
=
x
2
+
(
−
2
+
9
)
x
−
18
=
x
2
+
7
x
−
18
Answered by
0
X^2-2x+9x-18
=X^2+7x-18
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=X^2+7x-18
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