Step 1: Multiplying from left to right, you notice that you're squaring a binomial. So, you'll get a perfect square trinomial.
- Step 2: Rewrite the equation:
Step 3: Multiply each term in first parentheses by each term in the 2nd.
x3 + 4x2 + 8x2
+ 32x + 16x
Step 4: Combine like terms: