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valina [46]
3 years ago
7

Pomocy matma z kluczem klasa 7 str 163 zadania 5 i 6

Mathematics
1 answer:
rewona [7]3 years ago
8 0

Answer:

12

Step-by-step explanation:

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Please help!! I don't get this.
Lynna [10]
The answer to question 5 is -3.
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3 years ago
Tom has a water tank that holds 5 gallons of water.Tom uses water from a full tank to fill 6 bottles that each hold 16 ounces an
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3 years ago
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What is the quotient when (x+3) is divided into the polynomial 2x2+3x-9
maks197457 [2]
Problem: 2x^2+3x-9
For a polynomial of the form, ax^2+bx+c rewrite the middle term as the sum of two terms whose product a·c=2·-9=-18 and whose sum is b=3.
Factor 3 out of 3x
2x^2+3(x)-9
Rewrite 3 as -3 plus 6.
2x^2+(-3+6)x-9
Apply the distributive property
2x^2(-3x+6x)-9
Remove the parentheses
2x^2-3x+6x-9
Factor out the greatest common factor from each group
Group the first two terms and the last two terms
(2x^2-3x) (6x-9)
Factor out the greatest common factor in each group.
x(2x-3)+3(2x-3)
Factor the polynomial by factoring out the greatest common factor, 2x-3
(x+3) (2x-3). So, the quotient is 2x-3



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3 years ago
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