Bomarie02 Bomarie02

25-10-2019
Mathematics

contestada

Factor completely X⁴-10x²+9. Please show all work.

Respuesta :

brandisouthern9 brandisouthern9

25-10-2019

Answer:

Let y=x² . Then:

x4−10x2+9=y2−10y+9

y²-10y+9=(y-9)(y-1)

Substitute x² for y:

x4−10x2+9=(x2−9)(x2−1)

x²-9=(x+3)(x-3)

x²-1=(x+1)(x-1)

x4−10x2+9=(x+3)(x−3)(x+1)(x−1)

Answer Link

Otras preguntas

how can I solve (x-8)^2

A 2.0 MeV proton is incident on a potential energy barrier of thickness 8.4 fm and height 10 MeV. What are (a) the transmission coefficient T, (b) the kinetic e

An economy is employing 2 units of capital, 5 units of raw materials, and 8 units of labour to produce its total output of 640 units. Each unit of capital costs

A circular garden is surrounded by a rectangular grassy area. The garden takes up nearly half the grassy area. The base of the grassy area is 6 yards by 3 yards

"A steel rotating-beam test specimen has an ultimate strength of 120 kpsi. Estimate the life of the specimen if it is tested at a completely reversed stress amp

what is median of 45,18,27,26,32,28,47,30,35

Determine if line AB is tangent to the circle. If so, then explain why. A) No, it is not tangent to the circle. B) Yes, it is tangent to the circle because the

The Target heart rate for fit person of age a exercising at p percent of his or her heart rate is determined by the expression 1/2p(418-4) for women and 1/2p(40

Madisun Company issued common stock for proceeds of $20,000 during 2020. The company paid dividends of $5,000. The company also issued a long-term note payable

A random sample of size 15 taken from a normally distributed population revealed a sample mean of 75 and a sample variance of 25. The upper limit of a 95% confi