Question

(3x - 2x) (6x + 7x) ​

Answer 1

$\rule{200}3$

$\huge{\fbox{\fbox{\pink{\mathcal{Solution}}}}}$

=> (3x - 2x) × (6x + 7x)

=> x × 13x

=> 13x²

$\rule{200}3$

Answer 2

Answer:

18x^2+21x^2-12x^2-14x^2

=13x^2