What Is The Product Of The Polynomials 4-A And A^2+7a-18

What is the product of the polynomials 4-a and a^2+7a-18

Answer:

- a³ - 3a² +46a -72,  

Step-by-step explanation:

This is an example of multiplication of binomial by another polynomial.

(4-a) (     a^2+7a-18)

= 4(a²) + 4(7a) - 4(18) - a(a²) - a(7a) - a(-18)

= 4a² + 28a - 72 - a³ -7a² + 18a (combine like terms)

= - a³ - 3a² +46a -72


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