Answer:
-10x³ - 8x²
Solution:
9x³ - 4x² - 3 + -19x³ - 4x² + 3
= 9x³ −19x³ + −4x² − 4x² + −3 + 3
= -10x³ - 8x²
=−10x3−8x2
Step-by-step explanation:
Let's simplify step-by-step.
9x3−4x2−3−19x3−4x2+3
=9x3+−4x2+−3+−19x3+−4x2+3
Combine Like Terms:
=(9x3+−19x3)+(−4x2+−4x2)+(−3+3)
=−10x3+−8x2
