Answer:
8x² + 11x - 9
Step-by-step explanation:
M - N
= 5x² + 7x - 4 - 1(- 3x² - 4x + 5) ← distribute parenthesis by - 1
= 5x² + 7x - 4 + 3x² + 4x - 5 ← collect like terms
= 8x² + 11x - 9
Brandon is not correct because he should have added 6 negative unit tiles to isolate the variable in step 2—— the answer would have been x=-1
Answer:
<em>2</em><em>y</em>
Step-by-step explanation:
this is common factor of both the terms
because 2y divides both term
hope it helps
The answers should be 1D, 2C, 3B, 4A, and 5A.
