Question

17²-3²
can some one factorise and evavulate the sum.​

Answer 1

Answer:

a^2-b^2=(a+b) (a-b)

=(17+3) (17-3)

=20×14

=280

please Mark it a Brainlist answer

Answer 2

Answer:

$\boxed{280}\checkmark$

Step-by-step explanation:

Order of operations

Order of operations

Parenthesis

Exponent

Multiply

Divide

Add

Subtract

left to right

First, you do is exponent.

$17^2=17*17=289$

$289-3^2$

$3^2=3*3=9$

$289-9$

Then, you subtract the numbers from left to right.

$289-9=280$

280 is the correct answer.