Math, asked by aalappathak5, 1 year ago

Solve the following determinant equation for x belongs to r

| 15 x -4 |
| x+7 -2 |

these lines before and after numbers are of matrix signs

Answers

Answered by spichhoredot123

1

Answer:

(15x ×-2)- (-4×(x+7)

(15x-2 ) - (-4x-28)

(-30x) - ( 112x )

-30x-112x

-142x

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