Question

the number solution of root 3x+x+5=x-3

Answer 1

Answer:

ANSWER

Now, 3x

2

+x+5⩾0

This is because b

2

−4ac=1−4×5×3

=−59 (roots are imaginary)

3x

2

+x+5=(x−3)

2

=x

2

+9−6x and x−3⩾0

2x

2

+7x−4=0

2x

2

+8x−x−4=0

2x(x+4)−1(x+4)=0

(2x−1)(x+4)=0

x=

2

1

and−4 but x≥3

Answer 2

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