2 years ago

What is the difference?

Mathematics

2 answers:

zvonat [6]2 years ago

8 0

Answer:

your question is wrong, it's not an expression but a quadratic equation. if so your answer will be x=8±2√7

Step-by-step explanation:

by using, completing the square method

x²-16x-4=0

x²-16x=4

x²-16x+(-16×0.5)²=4+(16×0.5)²

x²-16x-8²=4+8²

(x-8)²=68

x-8=√68

x-8=±2√7

so x=8±2√7

please next time write the correct question

lyudmila [28]2 years ago

7 0

Answer: i dont know but thanks for the points

Step-by-step explanation:

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Answer:

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Anna35 [415]

Answer:

7 is the correct answer

thank you

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