0. Review of Algebra

Multiply the polynomials using FOIL.

$\left(x-5\right)\left(x-12\right)$

Multiply the polynomials using FOIL.

$\left(4x+7\right)\left(-x+6\right)$

Multiply the polynomials using FOIL.

$\left(x^2-3x\right)\left(2x+8\right)$

 Multiply the polynomials.

$\left(x+4\right)\left(3x^2-2x+1\right)$

Fill in the blank to correctly complete each sentence. In the term -6x²y, -6 is the ______.