Question

Simplify ( a+3 ) ( a-3 )
1 point
a² - 3
a² - 9
a² + 9
None of these

Answer 1

Hi there!

$\huge\sf\underline{\underline\pink{Your \: \: answer\rightarrow}}$

Use Identity (a²-b²) = (a+b)(a-b).

$\bf\green{(a + 3)(a - 3)}$

$\bf\blue{{a}^{2} - {3}^{2} }$

$\bf\red{{a}^{2} - 9}$

So, Your Answer Is Option B.

Answer 2

✤ SOLUTION ✤

❥ To Simplify -

➡ $\large{\sf{\red{(a+3)(a-3)}}}$

⭐ FORMULA USED = $\sf{(a+b)(a-b)} = {a}^{2}-{b}^{2}$

• Therefore , $\sf{a}^{2}\:-\:{3}^{2}$ → a² - 9

${\red\bigstar\large\bold{\mathrm{\underline{\green{Option\:B\:is\:correct}}}}}$

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