Mariah Sparks

Mariah Sparks

Answered

2022-07-27

Solve the equation. (Find only the real solutions. Enter your answers as a comma-separated list.)
10 x 2 + 20 x + 9 = 0

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Answer & Explanation

Jaylynn Huffman

Jaylynn Huffman

Expert

2022-07-28Added 14 answers

10 x 2 + 20 x + 9 = 0
=> x= -20 (+/-) sqrt[ (20)^2 -(4*10*9)]/(2*10)
= -20(+/-) sqrt(40) /20
= [-10(+/-) sqrt10]/10

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