Question

-x/4 - 2 = x + 3 find value of x .

Answer 1

Answer:

3-2=x+x/4

1=5x/4

x=4/5

Answer 2

Answer:

x

2

+2x,2x+3, & x

2

+3x+8

are the sides of a triangle

then sum of any two side will always be greater than the third side

(x

2

+2x)+(2x+3)>x

2

+3x+8

⇒x>5 ………(1)

(x

2

+2x)+(x

2

+3x+8)>2x+3

2x

2

+3x+5>0

⇒x∈R (∴a>0,D<0)

(2x+3)+(x

2

+3x+8)>x

2

+2x

3x+11>0

x>

3

−11

So these will be sides of a triangle for x>5.

Step-by-step explanation:

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