Question

using identity a^2-b^2=(a+b)(a-b),find 4^2 - 6^2​

Answer 1

Answer:

$4 {}^{2} - 6 {}^{2}$

$(4 + 6)(4 - 6)$

$10 \times ( - 2)$

$- 20$

Answer 2

Answer:

Step-by-step explanation:

4^2-6^2 = ( 4+6 ) ( 4-6 )

= 10 * ( - 2 )

= -20