**Q1a** `5x^2= 9 − x`

`5x^2+ x − 9 = 0`

So, yes, it is a quadratic equation with

`a = 5`, `b = 1`, `c = -9`

**Q1b** `(3x − 2)^2= 2`

`9x^2− 12x + 4 = 2`

`9x^2− 12x + 2 = 0`

So, yes, it is a quadratic equation with

`a = 9`, `b = -12`, `c = 2`

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