Answer:
4x² + 4x + 1
Step-by-step explanation:
We know that (a + b)² = a² + 2ab + b², therefore, (2x + 1)² = 4x² + 4x + 1.
Answer:
(a).
=
Step-by-step explanation:
A =
=
=
Line j is negative and line k is postive so you combine hem in like terms to solve them
Answer:
<h2>x = 3 and x = 4 → (3, 0) and (4, 0)</h2>
Step-by-step explanation:

Answer:
16
Step-by-step explanation:
23-7=16