For exercise, solve the equations and inequalities. Write the solutions sets to

Jason Farmer

Jason Farmer

Answered question

2021-10-22

For exercise, solve the equations and inequalities. Write the solutions sets to the inequalities in interval notation.
t+3+4=t+1

Answer & Explanation

Faiza Fuller

Faiza Fuller

Skilled2021-10-23Added 108 answers

On simplification, we get
t+3+4=t+1
t+3=t3
Squaring on both sides, we get
(t+3)2=(t3)2
t+3=t26t+9
t27t+6=0
t26tt+6=0
t(t6)(t6)=0
(t6)(t1)=0
t6=0 or t1=0
t=6 or t=1
But the given equation cannot satisfy when t=1.
t=6

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