$x^2+(x+1)^2=61\\ x^2+x^2+2x+1-61=0\\ 2x^2+2x-60=0\ \ /:2\\ x^2+x-30=0\\ \Delta=1^2-4\cdot(-40)=1+120=121\ \ \Rightarrow\ \ \sqrt{\Delta} =11\\ \\ x_1= \frac{-1-11}{2} = \frac{-12}{2} =-6,\ \ \ \ x_2= \frac{-1+11}{2} = \frac{10}{2}=5\\ \\Ans.:x=-6$

3 0

3 years ago

NEED HELP!!!!!!!!!!!!!

solniwko [45]

Answer:

5x - 4

Step-by-step explanation:

4x - 2 + x - 2

simplify

5x - 4

hope this helps <3

8 0

2 years ago

What is the perimeter of ABDE?

Alinara [238K]

Answer:

B I hope this helped!

Step-by-step explanation:

6 0

2 years ago

The volume of this rectangular solid is?

Maru [420]

Well, volume is: length x width x height

so, 5 x 14 x 8= 560 inches

8 0

2 years ago