Question
2. 7x^3+6x^2-2x-(9x^2-4x+3) 3 3x(-2x^2-5x+4) 4. (4x-5)(3x+7)
Solution
4.6
(215 Votes)
Damian
Veteran ยท Tutor for 11 years
Answer
# Explanation:## Step 1: Distribute the negative sign### The negative sign in front of the parenthesis changes the sign of each term inside. The expression becomes
.## Step 2: Combine like terms### Group and combine terms with the same exponent of
.
has no like terms.
.
. The constant term is
.# Answer:###
# Explanation:## Step 1: Apply the distributive property### Multiply
by each term inside the parenthesis:
.## Step 2: Simplify each term###
,
, and
.# Answer:###
# Explanation:## Step 1: Use the FOIL method### FOIL stands for First, Outer, Inner, Last. Multiply the First terms:
. Multiply the Outer terms:
. Multiply the Inner terms:
. Multiply the Last terms:
.## Step 2: Combine like terms### Combine the
terms:
.# Answer:###