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3xx^4+3xx^3-5x^2x^3-5x^2x

1 Answer

5 votes

Explanation:

-2*x^5+3*x^4-5*x^3

Use Product Rule: {x}^{a}{x}^{b}={x}^{a+b}x

a

x

b

=x

a+b

.

3{x}^{1+4}+3x{x}^{3}-5{x}^{2}{x}^{3}-5{x}^{2}x3x

1+4

+3xx

3

−5x

2

x

3

−5x

2

x

Simplify 1+41+4 to 55.

3{x}^{5}+3x{x}^{3}-5{x}^{2}{x}^{3}-5{x}^{2}x3x

5

+3xx

3

−5x

2

x

3

−5x

2

x

Use Product Rule: {x}^{a}{x}^{b}={x}^{a+b}x

a

x

b

=x

a+b

.

3{x}^{5}+3{x}^{1+3}-5{x}^{2}{x}^{3}-5{x}^{2}x3x

5

+3x

1+3

−5x

2

x

3

−5x

2

x

Simplify 1+31+3 to 44.

3{x}^{5}+3{x}^{4}-5{x}^{2}{x}^{3}-5{x}^{2}x3x

5

+3x

4

−5x

2

x

3

−5x

2

x

Use Product Rule: {x}^{a}{x}^{b}={x}^{a+b}x

a

x

b

=x

a+b

.

3{x}^{5}+3{x}^{4}-5{x}^{2+3}-5{x}^{2}x3x

5

+3x

4

−5x

2+3

−5x

2

x

Simplify 2+32+3 to 55.

3{x}^{5}+3{x}^{4}-5{x}^{5}-5{x}^{2}x3x

5

+3x

4

−5x

5

−5x

2

x

Use Product Rule: {x}^{a}{x}^{b}={x}^{a+b}x

a

x

b

=x

a+b

.

3{x}^{5}+3{x}^{4}-5{x}^{5}-5{x}^{2+1}3x

5

+3x

4

−5x

5

−5x

2+1

Simplify 2+12+1 to 33.

3{x}^{5}+3{x}^{4}-5{x}^{5}-5{x}^{3}3x

5

+3x

4

−5x

5

−5x

3

Collect like terms.

(3{x}^{5}-5{x}^{5})+3{x}^{4}-5{x}^{3}(3x

5

−5x

5

)+3x

4

−5x

3

Simplify.

-2{x}^{5}+3{x}^{4}-5{x}^{3}−2x

5

+3x

4

−5x

3

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