Question

What will be the product of *(x + 4) and (x + 10)?* 1️⃣ x³ + x² + 40 2️⃣ x² + 9x + 50 3️⃣ x² + 25 4️⃣ x² + 14x + 40​

Answer 1

Answer:

the correct answer is option d.

x² + 14x + 40

Answer 2

★ (x + 4 )(x + 10)

= x² + ( 4 + 10) x + 4 ×10

= x² + 14x + 40

Answer— 4️⃣ x² + 14x + 40.

Identity required—

$\boxed{ \tt \bold{(x + a)(x + b) = {x}^{2} + (a + b)x + ab}}$