Question

Find the product of (3a +4) (7a – 2)​

Answer 1

Given:

(3a+4) (7a-2)

$\:$

To find:

Product of the given expression.

$\:$

Solution:

(3a+4) (7a-2)

$\bigstar {\mathcal {\orange {Using\ distributive\ property:- }}}$

3a (7a-2) + 4 (7a-2)

21a² - 6a + 28a - 8

Here,

$\sf21a^{2} \pink{ - 6a + 28a} - 8$

• - 6a & 28a are like terms.

= 21a² + 22a - 8

$\:$

Product:

Product of (3a+4) (7a-2) is 21a² + 22a - 8.