Find the product of5x and x+4.Find the product ofx+3 and x+5.
Answer (1)
Answer:1. The product of 5x and (x + 4) is: 5x * (x + 4) = 5x * x + 5x * 4 = 5x^2 + 20x2. The product of (x + 3) and (x + 5) is: (x + 3) * (x + 5) = x * x + x * 5 + 3 * x + 3 * 5 = x^2 + 5x + 3x + 15 = x^2 + 8x + 15
