Mathematics: Multiply the polynomials (7a – 7) and (2a2 – a + 5). simplify the answer. show your work.

Multiply the polynomials (7a – 7) and (2a2 – a + 5).

smrichardson0220

09.01.2022

=14a^3-21a^2+42a-35

Step-by-step explanation:

You can multiply the polynomials by applying the Distributive property.

It is important to remember the Product of powers property, which states that:

$(b^a)(b^c)=b^{(a+c)$

Where b is the base and a and c are exponents.

It is also important to remember the multiplication of signs:

$(-)(-)=+\\(+)(+)=+\\(+)(-)=-$

Then:

Each term inside of the first parentheses must multiply each term inside of the second parentheses:

$(7a-7)(2a^2-a+5)=(7a)(2a^2)+(7a)(-a)+(7a)(5)+(-7)(2a^2)+(-7)(-a)+(-7)(5)\\\\=14a^3-7a^2+35a-14a^2+7a-35$

Finally, add like terms:

=14a^3-21a^2+42a-35

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alissiabenner4087

27.03.2021

Scoop-diddy-whoop

Whoop-di-scoop-di-poop

Poop-di-scoopty

Scoopty-whoop

Whoopity-scoop, whoop-poop

Poop-diddy, whoop-scoop

Poop, poop

Scoop-diddy-whoop

Whoop-diddy-scoop

Whoop-diddy-scoop, poop

lol

Step-by-step explanation:

brainliest please?

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