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adoni [48]
2 years ago
14

Factorise x^2+6x-7 ?? Help please

Mathematics
1 answer:
Ber [7]2 years ago
7 0
x^2+6x-7=\\
x^2-x+7x-7=\\
x(x-1)+7(x-1)=\\
(x+7)(x-1)
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I need help with 25.
noname [10]

Sum of linear pair of angles = 180°

so

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2n + 21 + 4n + 15 = 180°

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6n = 144

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6 0
3 years ago
Help look at picture ;-;
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Answer:

Step-by-step explanation:

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3 years ago
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