Question

Find the product (a*2-4b)(2a*2+b)

Answer 1

2a^4 - 7ba^2 - 4b^2

Explanation:

(a^2 - 4b) (2a^2 + b)

Multiply first terms: a^2 by 2a^2 = 2a^4

Multiply Outer terms: a^2 by b = ba^2

Multiply inner terms: (-4b) by 2a^2 = 8ba^2

Multiply last terms: (-4b) by b = 4b^2

((above will look like this: a^2 by 2a^2 + a^2 by b + (-4b) by 2a^2 + (-4b) by b))

after multiplying all terms: 2a^4 + ba^2 - 8ba^2 - 4b^2

finally combine like terms by solving: ba^2 - 8ba^2 = 7ba^2

im a bit late but hope this helps

Answer 2

(a*2-4b)(2a*2+b) Regroup terms.

(2a−4b)(2×2a+b) Simplify 2*2a=4a

the answer is (2a−4b)(4a+b)

Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great rest of Black History Month! :-)

- Cutiepatutie ☺❀❤