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UNO [17]
3 years ago
12

5a-4=-1(4-5a) helppppppp

Mathematics
1 answer:
photoshop1234 [79]3 years ago
8 0
Are you trying to find a?
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What does -6(-7 - 3k)
Zina [86]
Here, Just apply Distributive property which tells, a(b + c) = ab + bc
So, -6(-7 - 3k) = 42 + 18k

In short, Your Answer would be 42 +18k

Hope this helps!
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Factorise each of the following<br> a2+9a+8
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Answer:

Step-by-step explanation:

I suppose the expression is this a^2+9a+8.

We can factor out this expression ( Remember, find two numbers that the sum is 9 and the product is 8. The numbers are 8 and 1)

a^2+9a+8=(a+1)(a+8)

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2 years ago
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At a school with 100 students, 40 students are taking Arabic, 35 Bulgarian, and 25
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