Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions



by special product

x = b
y = 4a

by substitution

(b+4a)² = b²+2(b)(4a)+(4a)²
(b+4a)² = b²+8ba+16a²

answer is b²+8ba+16a²
0 0 0
Simply follow this steps:
1. Square the first term
2. multiply the exponent to the product inside the quantity: TAKE NOTE: the sign would depend.
3. square the last term.

for example:
a. (b+4a)

1. b^2
2. 2(4a*b) = 8ab
3. (4a)^2 = 16a^2

ANSWER: (b^2+8ab+16a^2)
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts