5-4(a-b)-12(a-b)²
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Thank you so much @legenisis36. Your answer was really so helpful...can you also plz solvw the above question. I need the right answer with full explanation.
And I have a doubt that should the powers of the variables be arranged in ascending or descending order.
.
.
.
.
Thank you so much @legenisis36. Your answer was really so helpful...can you also plz solvw the above question. I need the right answer with full explanation.
And I have a doubt that should the powers of the variables be arranged in ascending or descending order.
Answers & Comments
Verified answer
Answer:
Distribute the constants to the terms inside the parentheses:
5
−
4
�
+
4
�
−
12
�
+
12
�
2
5−4a+4b−12a+12b
2
Combine like terms:
−
4
�
−
12
�
=
−
16
�
−4a−12a=−16a
4
�
+
12
�
2
4b+12b
2
Combine all terms:
5
−
16
�
+
4
�
+
12
�
2
5−16a+4b+12b
2
So, the simplified expression is
5
−
16
�
+
4
�
+
12
�
2
5−16a+4b+12b
2
In algebraic expressions, the powers of variables are typically arranged in descending order. For example,
3
�
2
+
2
�
+
1
3x
2
+2x+1 has powers arranged in descending order (2, 1, 0).