05. Simplify:
a.5a²-(3a-a2-4
b. - (-4a-6a+b)
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Answer:
Step-by-step explanation:
A)= a2 – 2a + {5a2 – 3a + 4a2}
= a2 – 2a + {9a – 3a}
= a2 – 2a + 9a2 – 3a = 10a2 - 5a
B)Answer:
-10a+b
subtract -4 by -6
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