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Diagnostic Test 9 Practice Test
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Q1
Simplify the expression.
![](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/93053/gif.latex $"-7x^{^{2}$}-2x +6x -3 $+3x^{2}$")
Simplify the expression.
![](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/93053/gif.latex $"-7x^{^{2}$}-2x +6x -3 $+3x^{2}$")