Algebra

Adding and subtracting polynomials.

Can someone help me solve this problem?
5x^3 . 2x^2 - 10x^4 + 3x^5 + 3x .(-2)x^4

. = The dot means to multiply. Thank you.

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  1. 5x^3 . 2x^2 - 10x^4 + 3x^5 + 3x .(-2)x^4
    = 10x^5 - 10x^4 + 3x^5 - 6x^5
    = 7x^5 - 10x^4

    The word "solve" is usually used when dealing with equations, that is, we solve an equation.
    You did not have an equation, so the instructions would be to "simplify" the expression.

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