Answer:
x² - 5x + 4
Step-by-step explanation:
Note that (p - q)(x) = p(x) - q(x)
p(x) - q(x)
= x² - 1 - 5(x - 1) ← distribute
= x² - 1 - 5x + 5 ← collect like terms
= x² - 5x + 4
Answer:
(x) = 
Step-by-step explanation:
let y = 2x
Rearrange making x the subject
divide both sides by 2
= x
changing y back into terms of x
(x) =
Answer:
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Answer:
Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies.
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
sqrt(a^7) = sqrt(a^6 * a)
