3 years ago

I need help with this one

Mathematics

1 answer:

sdas [7]3 years ago

5 0

I cannot see it all is their something you could do to help me help you?

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What number must you add to complete the square? x^2 + 8x = -3

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x^2 + 8x + 16 = -3 + 16
using a^2 + 2 a b + b^2 = (a+b)^2

x^2 + 8x + 16 = 13

(x +4)^2 = 13

answer : 16 is the number you must add to complete the square

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taurus [48]

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Step-by-step explanation:

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