Question

I need extra help please, -7y^2-2y^2+y^3y-2y+5y^3-2y

Answer 1

Answer:

How to solve your problem

−

7

2

−

2

2

+

3

−

2

+

5

3

−

2

-7y^{2}-2y^{2}+y^{3}y-2y+5y^{3}-2y

−7y2−2y2+y3y−2y+5y3−2y

Simplify

1

Combine exponents

−

7

2

−

2

2

+

3

−

2

+

5

3

−

2

-7y^{2}-2y^{2}+{\color{#c92786}{y^{3}y}}-2y+5y^{3}-2y

−7y2−2y2+y3y−2y+5y3−2y

−

7

2

−

2

2

+

4

−

2

+

5

3

−

2

-7y^{2}-2y^{2}+{\color{#c92786}{y^{4}}}-2y+5y^{3}-2y

−7y2−2y2+y4−2y+5y3−2y

2

Combine like terms

−

7

2

−

2

2

+

4

−

2

+

5

3

−

2

{\color{#c92786}{-7y^{2}}}{\color{#c92786}{-2y^{2}}}+y^{4}-2y+5y^{3}-2y

−7y2−2y2+y4−2y+5y3−2y

−

9

2

+

4

−

2

+

5

3

−

2

{\color{#c92786}{-9y^{2}}}+y^{4}-2y+5y^{3}-2y

−9y2+y4−2y+5y3−2y

3

Combine like terms

−

9

2

+

4

−

2

+

5

3

−

2

-9y^{2}+y^{4}{\color{#c92786}{-2y}}+5y^{3}{\color{#c92786}{-2y}}

−9y2+y4−2y+5y3−2y

−

9

2

+

4

−

4

+

5

3

-9y^{2}+y^{4}{\color{#c92786}{-4y}}+5y^{3}

−9y2+y4−4y+5y3

4

Rearrange terms

−

9

2

+

4

−

4

+

5

3

{\color{#c92786}{-9y^{2}+y^{4}-4y+5y^{3}}}

−9y2+y4−4y+5y3

4

+

5

3

−

9

2

−

4

{\color{#c92786}{y^{4}+5y^{3}-9y^{2}-4y}}

y4+5y3−9y2−4y

Solution

4

+

5

3

−

9

2

−

4