Multiply the following binomials by monomials
$(2 x - y) \times 3 x$

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Solution

Finding the multiplication
Multiplying by the horizontal method
$(2 x - y) \times 3 x = (2 x) \times (3 x) - (y) \times (3 x) = (2 \times 3) (x \times x) - (1 \times 3) (y \times x) = 6 x^{2} - 3 x y$
Hence, the product of algebraic expression is $6 x^{2} - 3 x y$ .

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