Question

(7x-3)×(7x+5)
Solution

Answer 1

Step-by-step explanation:

49x²+35x-21x+15

49x²+14x+15 Ans

Answer 2

$\bold\green{✓\: verified\:answer}$

$\mathbb{SOLUTION} \rightarrow$

$\implies$ ( 7x + 3 ) ( 7x + 5 )

$\implies$ { 7x + ( -3 ) } ( 7x + 5 )

$\implies$ ( 7x )² + { (-3) + 5 }7x + {(-3)×5}

$\implies$ 49x² + 14x - 15

$\boxed{answer\:☝︎}$