My sister has 200 saved text messages of these 24 from her brother. What percent of the total text are from her brother.
1 answer:
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Answer:
1. X^2+1/2x =
2. X^2+2x-3 =
3. (2x-3)^2 = (2x-3)(2x-3)
4. X^3+2x^2-19x-20 =
Step-by-step explanation:
Each expression can be written as a product of linear factors as follows
1. X^2+1/2x ⇒
=
Hence, X^2+1/2x =
2. X^2+2x-3 ⇒
Hence, X^2+2x-3 =
3. (2x-3)^2 ⇒
Hence, (2x-3)^2 = (2x-3)(2x-3)
4. X^3+2x^2-19x-20 ⇒
First,
∴
Hence, X^3+2x^2-19x-20 =