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atroni [7]
2 years ago
6

- 21 = y" alt=" {x}^{2} + 10 - 21 = y" align="absmiddle" class="latex-formula">
Can someone explains me how to resolve?​
Mathematics
2 answers:
myrzilka [38]2 years ago
5 0

Answer:

Step-by-step explanation:

dmitriy555 [2]2 years ago
5 0

Answer:

x²+10-21=y

x²-11=y

x²=11+y

if you put value y =-11 than it can be resolve

x²=11-11

x²=0

x=0

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7 0
3 years ago
Susanna has played the piano for s years. Patrick has played the piano for 4 more than twice the number of years that Susanna ha
scoray [572]
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3 years ago
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4 0
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