Answer:
C
Step-by-step explanation:
<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:
69
Step-by-step explanation:
M= 180-135
H=180-136
K=135
G=136
Answer:
y = 2.5
Step-by-step explanation:
2(17y + 6) + 2(10y - 9) = 129
34y + 12 + 20y - 18 = 129
54y - 6 = 129
54y = 135
y = 2.5