Math, asked by iamVedika, 10 months ago

if x=-2 is a root of the equation x² -3x - a =0, then find the value of a.​

Answers

Answered by SaHaBji07
1

Answer:

the value of a is 10......

put x=-2

Answered by hani8237
1

Answer:

(-2)^2-3×-2 -a=0

4+6=a

10 = a

therefore the value of a =10

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