Find expert answers and community-driven knowledge on IDNLearn.com. Get the information you need from our community of experts who provide accurate and thorough answers to all your questions.
Answer:
4x2 - 4x + 4.
Step-by-step explanation:
x2 - 3x - 4 - (x - 3x2 - 8) Distribute the negative over the parentheses:
= x2 - 3x - 4 - x + 3x2 + 8 Bring like terms together:
= x2 + 3x2 - 3x - x - 4 + 8
= 4x2 - 4x + 4.