Posted by **jovahnna** on Sunday, June 30, 2013 at 3:44pm.

Factor completely: 3x^2(4x2 + 1)^8 + 64x^4(4x2 + 1)^7.

- pre cal -
**Tony**, Sunday, June 30, 2013 at 3:59pm
x^2(4x^2+1)^7(76x^2+3)

- pre cal -
**jovahnna**, Sunday, June 30, 2013 at 4:01pm
how did you solve this??? I am so los.

- pre cal -
**Steve**, Sunday, June 30, 2013 at 5:29pm
3x^2(4x2 + 1)^8 + 64x^4(4x2 + 1)^7

Notice that x^2 is a factor of each term, and so is a power of (4x^2+1)

So, factoring them out, we have

x^2 (4x^2+1)^7 (3(4x^2+1)+64x^2)

3(4x^2+1)+64x^2 = 12x^2+3+64x^2 = 76x^2+3

and that's Tony's answer

## Answer This Question

## Related Questions

- Pre cal - Fine a third degree polynomial function f(x) with real coefficients ...
- Algebra - 1. What polynomial has a graph that passes through the given points...
- algebra - factor the expression 4xsquared+35x+24 my answer: (4x+3)(x-8) 4x2 +35x...
- need help - factor completely 4x2^-8x
- Math - Using the digits 1, 2, 3 & 4 each once only, and as many +, -, x, / and ...
- maths - Using the digits 1, 2, 3 & 4 each once only, and as many +, -, x, / and ...
- math - -5(3x - 7) Sorry I meant this one:-4x2(3x2 - x + 1) *Your supposed to do ...
- Math - How do I mutliply the following; (4x2+3x-3)(4x2+3x-3)
- calculus - Consider the function below. f(x) = 4x2 - 5x (a) Find f '(2). (b) Use...
- Math - List the terms and coefficients. 8x3 – 4x2 + 3 Write using positive ...

More Related Questions