Question

Find the product of (x+5) (x+11) by using identity​


pls tell me fast

Answer 1

Hello!

Answer:

`\Large \boxed{\sf x^2 + 16x + 55}`

Explanation:

We have this identity:

`\sf (x+a)(x+c) = ab+ax+bx+x^2`

For our equation:

`\sf a = 5\\b = 11`

Let's simplify our expression:

`\sf (x+5)(x+11) \\\\= 5(11) + 5(x) + 11(x) + x^2\\\\= 55 + 5x + 11x + x^2 \\\\\boxed{\sf = x^2 + 16x + 55}`

Answer 2

• x² + 16x + 55

Explanation:

To Find :

• The product of (x + 5) (x + 11) by using identity.

Identity used :

(x + a) (x + b) = x² + x(a + b) + ab

Here,

• a = 5
• b = 11

Solution :

(x + 5) (x + 11) = x² + x(a + b) + ab

= x² + x (5 + 11) + 5 × 11

= x² + x (16) + 55

= x² + 16x + 55

Henceforth the product of (x + 5) (x + 11) is x² + 16x + 55