Question

Factor completely 169x2 - 64.

Answer 1

\(\bf\huge~~~~\color{#ff0000}{W}\color{#ff2000}{e}\color{#ff4000}{l}\color{#ff5f00}{c}\color{#ff7f00}{o}\color{#ffaa00}{m}\color{#ffd400}{e}~\color{#bfff00}{t}\color{#80ff00}{o}~\color{#00ff00}{O}\color{#00ff40}{p}\color{#00ff80}{e}\color{#00ffbf}{n}\color{#00ffff}{S}\color{#00aaff}{t}\color{#0055ff}{u}\color{#0000ff}{d}\color{#2300ff}{y}\color{#4600ff}{!}\color{#6800ff}{!}\color{#8b00ff}{!}\\\bf ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Made~by~TheSmartOne\)

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@Squickers

Answer 2

Do you know this formula?

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

Answer 3

oh yeah I learned that last year

Answer 4

So we can also write

\(\sf 169 = 13^2 \\ 64=8^2\)

Answer 5

oh okay thanks that was easy
(13x + 8)(13x - 8)

Answer 6

Correct! :D

Answer 7

Good job! :D

Answer 8

thank you so much for your help

Answer 9

Haha, anytime :)

If you need help next time, you can tag me by putting that @ sign and then my username.
So it would be like @TheSmartOne

And I'll come and help you :)