Question 631945
(-6x8y3)(7x3y)(-xy4)

I am gonna take your above expression as:

(-6x^8y^3)(7x^3y)(-xy^4)

Multiply:

-6x^8 * 7x^3 = -42x^11

y^3 * y = y^4


(-42x^11y^4)(-xy^4)

-42x^11 * -x = 42x^12

y^4 * y^4 = y^8


Answer:

42x^12y^8



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