Question

Two sides of a rectangle are 3x+10 and x-6 find its perimeter

Answer 1

Answer:

8x+8

8(x+1)

Step-by-step explanation:

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Answer 2

Answer:

x= -1

because 2(L+B)=0

2(3x+10+x-6)=0

2(4x+4)=0

8x+8=0

x=. -1