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Inga [223]
3 years ago
10

What number must you add to complete the square x^2+20x=33

Mathematics
1 answer:
Natali [406]3 years ago
3 0
X²+20x-33=0
x²+2(10) (x) +10²-10 ²-33=0
(x+10) ²=133
x+10=±√133
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