Math, asked by homeg4528, 3 months ago

Please help
2x^2 - 4x + a equals 9, when x = -3.

Answers

Answered by chandresh9024006843

1

Answer:

a=9-30=-21

Step-by-step explanation:

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Answered by rakshith0806

1

Step-by-step explanation:

2x^2-4x+a=9 ; when x= -3 ; 2(-3)^2-4(-3)+a=9 ; 18+12+a=9 ; a= -21

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