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Luden [163]
3 years ago
15

What are the solutions to the equation 3(x – 4)(x + 5) = 0?

Mathematics
2 answers:
vesna_86 [32]3 years ago
7 0
First you distribute the 3
(3x-12) (x+5)=0
then you set each equation equal to zero
3x-12=0 & x+5=0
then you solve for x
x =4, -5
allochka39001 [22]3 years ago
4 0

Answer:

-5, 4

Step-by-step explanation:

the solutions to the equation 3(x - 4)(x + 5) = 0

To solve for x we set each factor =0 and solve for x

3(x-4)=0

divide each term by 3

(x-4)=0

Add 4 on both sides

x=4

x+5=0

Subtract 5 on both sides

x=-5

So x values are -5 and 4

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Answer:

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Answered by GAUTHMATH

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2 years ago
A certain forest covers an area of 2400 km^2. Suppose that each year this area decreases by 5.75%. What will the area be after 8
kolezko [41]
We have to use the function A(t)= a(1 +/- r)^t
So A is going to be the answer- the area after 8 years. t is going to be 8, because t is time. a is 2400 because that's the starting value. Finally, we're going to turn 5.75% into it's decimal form of .0575. That's going to be r, and because the area is decreasing, we will subtract r from 1.
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Simplify a little bit.
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3 years ago
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lesya [120]
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3 years ago
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2 years ago
Read 2 more answers
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vitfil [10]

Answer:

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