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frez [133]
3 years ago
6

Which expression is equivalent to -3(2m-1)-n

Mathematics
2 answers:
KatRina [158]3 years ago
8 0
-6m+3-n is equivalent to -3(2m-1)-n
Sergeu [11.5K]3 years ago
7 0

Answer:

-6m-n+3.

Step-by-step explanation:

We have been given an expression -3(2m-1)-n. We are asked to find the equivalent expression to our given expression.

Using distributive property a(b+c)=ab+ac, we will get:

-3\times 2m-3\times-1-n

-6m+3-n

-6m-n+3

Therefore, the expression -6m-n+3 is equivalent to our given expression.

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Solve x4 – 17x2 + 16 = 0.<br> Let u =<br> Select all of the zeroes of the function. i i
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Solve \ x^4 - 17x^2 + 16 = 0

To solve this equation , we need to write it in quadratic form

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To get the equation in quadratic form we replace x^2 with u

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x^4 - 17x^2 + 16 = 0 can be written as

(x^2)^2 - 17x^2 + 16 = 0, Replace u for x^2

So equation becomes

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Now we factor the left hand side

-16  and -1  are the two factors whose product is +16  and sum is -17

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WE assume u = x^2, Now we replace u with x^2

u = 16 so \ it \ becomes \ x^2 =16

Now take square root on both sides , x= +4  and x=-4

u = 1 so \ it \ becomes \ x^2 =1

Now take square root on both sides , x= +1  and x=-1

So zeros of the function are -4, -1, 1, 4


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