A. x <= -12
<u>Explanation:</u>
-3x >= 36
-x >= 36/ 3
-x > = 12
x < = -12
When the negative sign is shifted then the greater than equal to sign reverses to less than equal to.
Therefore, x <= -12
,,......................................
<h3>(x + 7)² = x² + 14x + 49</h3>
The true statement that show the closure property of multiplication :
<h3>a. x² + 14x + 49 is a polynomial</h3>

<h3>Further explanation</h3>
<em>If equation ax³ + bx² + cx + d = 0 has roots x₁ , x₂ , and x₃ then</em>



Let us now tackle the problem!

This problem is about Polynomial.



is a polynomial.
is polynomial.
It demonstrates the closure property of multiplication.

<h3>Conclusion:</h3>
<em>The true statement that show how the product of (x + 7)² demonstrates the closure property of multiplication:</em>
<h3>a. x² + 14x + 49 is a polynomial</h3>

<h3>Learn more</h3>

<h3>Answer details</h3>
Grade: High School
Subject: Mathematics
Chapter: Polynomial

Keywords: Quadratic , Equation , Discriminant , Real , Number
#LearnWithBrainly
Answer:
Step-by-step explanation:
3x
3x - 4 *5
Answer:
8x+4
Step-by-step explanation: