Question

Factor: 16a^2-49b^4

Answer 1

this is the form of x^2-y^2=(x-y)(x+y)
where x = 4a and y = 7b^2

Answer 2

(x-y)=(4a-7b^2)
(x+y)=(4a+7b^2)

Answer 3

come on, you can do eeeeeeeeeettttttttt!

Answer 4

so you factor out 2ab^2?

Answer 5

@Agent47? im not understanding it.

Answer 6

uhm no, you don't factor out anything..

Answer 7

16a^2-49b^4=(4a)^2-(7b^2)^2=
(4a-7b^2)(4a+7b^2)

Answer 8

@Mberdeja501
since 16 = 4² => 16a² = (4a)²
49 = 7² => 49b^4 = (7b²)²