Answer: 
Step-by-step explanation:

multiply the numberator and denominator:
3*-1 = -3
and
4*4 = 16 so,
is the answer
The answer is A. 150x + 50.
Answer: (x+5)(x-5)
Step-by-step explanation:
f(x)=X²-25 = (x+5)(x-5)
I'm pretty there's a complement
suck it
Answer:
34
Step-by-step explanation:
x=3+√8
y =3-√8
now,
1/x^2+1/y^2
=1/(3+√8)² + 1/(3-√8)²
= [(3-√8)²+(3+√8)²] / (3+√8)²(3-√8)² [L.C.M = (3+√8)²(3-√8)² ]
=[(3-√8+3+√8)²-2(3-√8)(3+√8) ] / [(3+√8)(3-√8)]²
=[6²-2.(3²-√8² )] / (3²-√8²)² [ a²+ b²=(a+b)²-2ab]
=[36-2(9-8) ]/ (9-8)²
=[36-2.1] / 1²
=34