Question

(3x-y-4)(3x-y+5)
I want solution

Answer 1

Answer:

$9x^{2} -6xy+3x+y^{2} -20-9y$ THIS IS UR ANSWER

Step-by-step explanation:

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$(3x-y-4)(3x-y+4)\\3x(3x-y+4)-y(3x-y+4)-4(3x-y+4)\\9x^{2} -3xy+15x-3xy+y^{2} -5y-12x+4y-20\\9x^{2} -6xy+3x+y^{2} -20-9y$