Answer: a. x^3 - x^2 + x + 3
You have to expand the terms by multiplying them.
(x^2 - 2x + 3)(x + 1)
= x^3 + x^2 - 2x^2 - 2x + 3x + 3
= x^3 - x^2 + x + 3
Answer:
15:21 = 5:7
Step-by-step explanation:
21/7 = 3
5 x 3 = 15
The tangent ratio is used for right triangles
