Question

mutiply the following with algebraic expression 2 - 3x + 7x² by - 1 + 2x - 3x² Solve step by step​

Answer 1

Answer:

Given:    2 - 3x + 7x² by - 1 + 2x - 3x²

⇒                 (7x² - 3x +2 ) × ( - 3x² + 2x -1)

⇒         7x²( - 3x² + 2x -1) - 3x( - 3x² + 2x -1) + 2( - 3x² + 2x -1)

⇒            -21x^4 + 14x³ -  7x² +9x³ - 6x² + 3x - 6x² + 4x - 2

⇒                   -21x^4 + 23x³ - 19x² + 7x - 2

So   (-21x^4 + 23x³ - 19x² + 7x - 2)  is the correct answer

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Answer 2

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