Solve for: (x-2) * (x+1)+1.5x^2+2

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Expression: $\left( x-2 \right) \times \left( x+1 \right)+1.5{x}^{2}+2$

Simplify the expression

${x}^{2}+x-2x-2+1.5{x}^{2}+2$

Since two opposites add up to $0$, remove them from the expression

${x}^{2}+x-2x+1.5{x}^{2}$

Collect like terms

$2.5{x}^{2}+x-2x$

Collect like terms

$2.5{x}^{2}-x$

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