(-3x²)³+2x²(-5x²)²+3x四次方·4(-x)²

(-3x²)³+2x²(-5x²)²+3x四次方·4(-x)²
(-3x²)³+2x²(-5x²)²+3x四次方·4(-x)²

(-3x²)³+2x²(-5x²)²+3x四次方·4(-x)²
原式=-27x^6+2x²*25x^4+3x^4*4x²
=-27x^6+50x^6+12x^6
=35x^6