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harina [27]
3 years ago
13

Factorise this fully x^2+2x-15

Mathematics
1 answer:
natka813 [3]3 years ago
7 0
The answer to the question

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Subtract. Your answer should be a polynomial in standard form. a (4r ^ 2 - 3r + 2) - (- r ^ 2 - 3r) =
blsea [12.9K]

Answer:5r2+2

Step-by-step explanation:

Distribute the Negative Sign:

=4r2−3r+2+−1(−r2−3r)

=4r2+−3r+2+−1(−r2)+−1(−3r)

=4r2+−3r+2+r2+3r

Combine Like Terms:

=4r2+−3r+2+r2+3r

=(4r2+r2)+(−3r+3r)+(2)

=5r2+2

6 0
3 years ago
what’s the total area of a converter box buildings of 4 feet, width of 3 feet,and a height of 6 feet?
Katena32 [7]
The total will be 72
7 0
4 years ago
What is 9*10000000000000000000000000000000000000000000000?
zheka24 [161]
You would get 9e+46 so not a real answer, just an estimate of what the answer is.
4 0
3 years ago
Read 2 more answers
Solve for x. <br><br> Brainlest for anyone who helps!! <br><br> thanks you
gavmur [86]
<h3>Answer:  C) 0</h3>

================================================

Explanation:

If points F and E are the midpoints of segment VU and segment ST respectively, then segment FE is the midsegment of the trapezoid. The midsegment is parallel to the bases, and the midsegment's length is found by adding up the bases VS and UT, then dividing by 2.

(VS + UT)/2 = FE

(29 + x+17)/2 = 23 ... plug in given info; isolate x

(x+46)/2 = 23

x+46 = 23*2 ... multiply both sides by 2

x+46 = 46

x = 46-46 ... subtract 46 from both sides

<h3>x = 0</h3>
6 0
3 years ago
I really need help......
Jlenok [28]
It is a negative correlation.
3 0
3 years ago
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