Question

x²+⅜-⅘=10x³ solve this​

Answer 1

Answer:

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Step-by-step explanation:

f(x) = x^3 - x^2 - 10x - 8.

We find out that

f(-1) = -1 -1 + 10 - 8 = 0,

then, one factor is (x + 1).

After division -->

f

(

x

)

=

(

x

+

1

)

(

x

2

−

2

x

−

8

)

The trinomial in parentheses can be factored.

Find 2 numbers knowing sum (-2) and product (-8).

They are (2) and (-4)

(

x

2

−

2

x

−

8

)

=

(

x

+

2

)

(

x

−

4

)

f

(

x

)

=

(

x

+

1

)

(

x

+

2

)

(

x

−

4

)