Answer
A) $11x-2$
B) $4x^2+7x-15$
C) $a-b$
D) $4x^2+12x+9$
E) $x^3+6x^2+12x+8$
Work Step by Step
A) Distribute and combine like terms.
B) Distribute and combine like terms.
C) The middle term will cancel out and the radicals squared will equal whatever is under the radical. In this case, "a" and "b."
D) Distribute and combine like terms.
E) A longer problem, but again distribute and combine like terms.