Answer:
5,6
Step-by-step explanation:
2+8=10/2=5
3+9=12/2=6
5,6
Answer:9
Step-by-step explanation:
4x4=16
16-7=9
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)
No, A rectangle has 2 sets of symmetrical lines trapezoid has 1 set of symmetrical lines so it would not be able to be a rectangle. Hope i helped ^-^
the answer is x is equal to 0.6
