Answer:
=3x^2−13x+7
Step-by-step explanation:
6x2−5x+3−(3x2+8x−4)
=6x^2−5x+3+−1(3x^2+8x−4)
=6x^2+−5x+3+−1(3x^2)+−1(8x)+(−1)(−4)
=6x^2+−5x+3+−3x^2+−8x+4
=6x^2+−5x+3+−3x^2+−8x+4
=(6x^2+−3x^2)+(−5x+−8x)+(3+4)
=3x^2+−13x+7
Can you give me Brainliest please.