X (x + 4) + 2x (x - 3) - 3x2 – InterviewSolution

1.

X (x + 4) + 2x (x - 3) - 3x2

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$\huge{\underline{\underline{\purple{♡Solution→}}}}$

$x(x + 4) + 2x(x - 3) - 3 {x}^{2} \\ = {x}^{2} + 4x + 2 {x}^{2} - 6x - 3 {x}^{2} \\ = 3 {x}^{2} - 3 {x}^{2} + 4x - 6x \\ = - 2x$

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