Answer:
194.
Step-by-step explanation:
x = (7+4√3)
x^2 = x = (7+4√3)^2
= 49 + 48 + 56√3
= 97 + 56√3
x^2 + 1/x^2 = 97 + 56√3 + 1/(97 + 56√3)
= 194.
(x4−3x3+4x2−8)/(x+1) = x3−4x2<span>+8x−8.</span>
Answer:
<h2>1).</h2>
(5a3b)(2ab)
Expand
That's
15ab( 2ab )
we have the answer as
<h3>30a²b²</h3>
<h2>2).</h2>
5y(-y² + 7y - 2)
Expand
That's
<h3>- 5y³ + 35y² - 10y</h3>
Hope this helps you
The answer is b hope it helps
Answer:
y = 
x - 9
Step-by-step explanation:
