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Brrunno [24]
3 years ago
6

Find the sum for: (3x^2+4x−1)+(−2x^2−3x+2)=

Mathematics
1 answer:
Phantasy [73]3 years ago
7 0

Answer:

x^2+x+1

Step-by-step explanation:

(3x^2+4x−1)+(−2x^2−3x+2)

Combine like terms

3x^2-2x^2+4x-3x-1+2

x^2+x+1

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Solve the equation by factoring. 3z^2+3z-6=0
Morgarella [4.7K]

Answer:

z = 1 or z = –2

Hope this helps !

6 0
3 years ago
Read 2 more answers
If h(x)= 3x+5 and h(a) =27, then what is the value of a ?
Usimov [2.4K]

h(x) = 3x + 5

h(a) = 27


We can write this as 3a + 5 = 27

Now, we just need to solve for a.

<em><u>Subtract 5 from both sides</u></em>

3a = 22

<em><u>Divide 3 from both sides.</u></em>

a = 7.33

Now, let's plug 7.33 back into the original equation.

3 * 7.33 + 5 = 27

22 + 5 = 27

27 = 27 √ this is correct

6 0
3 years ago
In questions 6 – 9, state the solutions for the quadratic equation depicted in the graph.
Mariana [72]

Step-by-step explanation:

It is just where it crosses the x axis

6) -3, -4

7) 1, -6

8) -5, -6

9) 3, -2.5

3 0
2 years ago
Give the equivalent numerator if the denominator is x³y².
gayaneshka [121]
x³y²
 For this case, the first thing you should know is the properties of the exponents.
 Let's write the full fraction:
 (1) / (x ^ 3 * y ^ 2)
 We have that by power properties:
 (1) / (x ^ 3 * y ^ 2) = x ^ -3 * y ^ -2
 Therefore the equivalent numerator is:
 x ^ -3 * y ^ -2
 Answer:
 x ^ -3 * y ^ -2
7 0
3 years ago
Are the ratios 2:1 and 17:7 equivalent?
Alex17521 [72]

Answer:

no

Step-by-step explanation:

1 x 7 = 7 but 2 x 7 does not equal 17

4 0
3 years ago
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