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

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

asked
User Diego Vieira
by
8.6k points

1 Answer

3 votes
x²+20x-33=0
x²+2(10) (x) +10²-10 ²-33=0
(x+10) ²=133
x+10=±√133
answered
User Sivaprasad Km
by
7.8k points
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