Write an algebric expression for each verbal expression. Then simplify, indicating the properties used

Posted on

1. the product of 9 and t squared, increased by the sum of the square of t and 2

2. 3 times the sum of r and d squared minus 2 times the sum of r and d squared

Write an algebric expression for each verbal expression. Then simplify, indicating the properties used

Jawaban Terkonfirmasi

Subject : Pre-algebra
Category : Algebraic expression

Answers :
1. (9 * t)² + (t + 2)²
= 81t² + t² + 4t + 4
= 82t² + 4t + 4

2. 3(r + d)² – 2(r + d)²
= (r + d)²
= r² + 2rd + d²
————————————————————–
Explanation:
the product of = hasil perkalian dari
squared = pangkat 2
increased by = ditambah dengan
the sum of = hasil penjumlahan dari
the square of = pemangkatan 2 dari
times = kali (x)
minus = kurang