book Maths Puzzle Numerical Ability

3x^2+x+2=0 solve each equation, if solution is not real I need to state all complex solutions in standard form.

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book Other Question

simplify each expression 4a-3+5a= Identify the shape of the graph, transform it into standard form, and sketch the graph.
25x^2 + 4y^2 - 300x - 24y + 836 = 0