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Dahasolnce [82]
3 years ago
15

What Is the Value Of X

Mathematics
1 answer:
Yuki888 [10]3 years ago
6 0
The sum of angles in a triangle is 180°.
.. 100 +3x +(x -4) = 180
.. 4x +96 = 180
.. 4x = 84
.. x = 21
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7 0
4 years ago
Factorise fully 10c - 25
maxonik [38]
HCF of 10c and -25 = 5

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Hope that helps^^
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Can someone help me?<br><br>2b²+17b+21<br><br>Thanks​
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(2b+3) (b+7)

6 0
3 years ago
Read 2 more answers
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