(-9x²-4x-4)-(9x²-11x+12)
Answers
Answered by
3
Answer:
Explanation:
(
−
9
x
2
−
4
x
−
4
)
−
(
−
9
x
2
−
11
x
+
12
)
=
−
9
x
2
−
4
x
−
4
+
9
x
2
+
11
x
−
12
Grouping like terms:
=
(
−
9
x
2
+
9
x
2
)
+
(
−
4
x
+
11
x
)
−
4
−
12
=
0
+
7
x
−
16
=
7
x
−
16
Answered by
2
Answer:
➣ -9x² - 4x - 4 - 9x² + 11x - 12
➣-9x² - 9x² - 4x + 11x - 4 - 12
➣ -18x² + 7x - 16
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