Question

2x+3x2−5x+4−7x²


please answer the question
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Answer 1

Answer:

Combine like terms

2

+

3

2

−

5

+

4

−

7

2

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

2x+3x2−5x+4−7x2

−

3

+

3

2

+

4

−

7

2

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

−3x+3x2+4−7x2

2

Combine like terms

−

3

+

3

2

+

4

−

7

2

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

−3x+3x2+4−7x2

−

3

−

4

2

+

4

-3x{\color{#c92786}{-4x^{2}}}+4

−3x−4x2+4

3

Rearrange terms

−

3

−

4

2

+

4

{\color{#c92786}{-3x-4x^{2}+4}}

−3x−4x2+4

−

4

2

−

3

+

4

{\color{#c92786}{-4x^{2}-3x+4}}

−4x2−3x+4

Solution

−

4

2

−

3

+

4