chin made an error in his chart showing the multiplication of the binomial by the trinomial (3x+y)(x^2+2y+4) which change can be made to correct the chart?

(a.) the expression 3x^3 should be 3x^2
(b.) the expression 6x should be 6xy
(c.) the expression x^2y should be x^2y^2
(d.) the expression 4y should be 4y^2

chin made an error in his chart showing the multiplication of the binomial by the trinomial 3xyx22y4 which change can be made to correct the chart a the express class=

Respuesta :

Answer:

Letter b

Step-by-step explanation:

2y×3x=6xy

It is not equal to 6x

From the equation, the expression 6x should be 6xy

What is an equation?

An equation is an expression used to show the relationship between two or more numbers and variables.

Given the equation:

(3x + y)(x² + 2y + 4)

Multiplying the both terms:

= 3x³ + 6xy + 12x + x²y + 2y² + 4y

= 3x³ + x²y + 6xy + 12x + 4y + 2y²

From the equation, the expression 6x should be 6xy

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