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Square Of trinomial
(3x²+4x-8xy)²

Sagot :

[tex]9 x^{4} -24 x^{3} y+16 x^{2} -64 x^{2} y+64 x^{2} y^{2} [/tex]
Here's a technique of solving polynomials,
(3x²+4x-8xy)²   Because this is raised to the power of two
then:
(3x²+4x-8xy)² is also equal to (3x²+4x-8xy)(3x²+4x-8xy)

(3x²+4x-8xy)(3x²+4x-8xy) with this you can multiply it easily