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Multiplication of polynomials

Multiplication of polynomials.
To multiply a polynomial by a polynomial, multiply each of the terms of one polynomial by each of the terms of the other polynomial and combine results.

Remember:

• The laws of exponents
• The rules of signs
• The commutative and associative properties of multiplication.

Multiply (3x+2)(4x2 - 2x + 10)
(3x+2)(4x2 - 2x + 10)=12x3-6x2+30x+8x2-4x+20=12x3+2x2+26x+20

 $$$-9x^4-8x^3+7x^2+4x-7$$\cdot$$2x^2-6x+9$$=$
 Solution: x6 x5 x4 x3 x2 x