Answer:
7
Step-by-step explanation:
if the number is x then you know 2x-9=5
2x=14
x=7
so the number is 7
(5x⁴ - 3x³ + 6x) - (3x³ + 11x² - 8x)<span>
</span>Expand the second bracket by multiplying throughout by -1
5x⁴ - 3x³ + 6x - <span>3x³ - 11x² + 8x
</span>
Group like terms and simplify
5x⁴ - 3x³ - 3x³ - 11x² + 6x <span>+ 8x
</span>5x⁴ <span>- 6x</span>³ - <span>11x² + 14x</span>
Answer:
990.36$
Step-by-step explanation:
You times 18 by 42 then you get 756 then you times that by 1.31$
Answer:
<h2>No. D ) ( h^2 - 4h + 2 ) / h is correct</h2>
Step-by-step explanation:
( 8h^5 - 32h^4 + 16h^3 ) / 8h^4
= ( 8h^3( h^2 - 4h + 2 ) / 8h^4
= ( h^2 - 4h + 2 ) / h