Question

Factorise 3x^2+7x+3

Answer 1

${3x}^{2} + 7x + 3 \\ ({4x}^{2} + 7x + 3) - {x}^{2} \\( {4x}^{2} + 3x + 4x + 3) - {x}^{2} \\ (x(4x + 3) + 1(4x + 3)) - {x}^{2} \\ (x + 1)(4x + 3) - {x}^{2}$
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