Page 616 - Algebra 1

Investigation Practice
Factor the polynomial.
a. x2+2x+1
b. 3x2 +xy-12x-4y
b.
c. 9y4-1 a.
Identify the first step needed to factor the polynomial. Then use that method to factor the polynomial. List other methods used, if applicable.
d. 5x4-5x2
e. 9x2 +30x+25 f. x2-9
Use algebra tiles to factor the following polynomials. Verify the factorization through multiplication and simplification.
g. 3x2+13x+4 h. x2 + 9x + 20 i. 2x2+8x+6
a.
Investigation 9 601