Question 1069457
1. B--two numbers that multiply to equal 8 and add to equal 9; they are 1 and 8.
5. 5x is the GCF, 5x(-x+2x^3+5)
7. 3 is the largest constant, and x^2 the largest power variable 3x^2(6+x^2-4x^3)
9. 3x(x^2-6x+9)=3x(x-3)^2