Question

(x+5) (x-5) solve the variation by formula
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Answer 1

Answer:

(x + 5) (x -5)

x^2 - 5^2. -----(a + b) (a - b) = a^2 -b^2

x^2 - 25

Answer 2

$\huge{\boxed{\boxed{\red{\ulcorner{\mid{\overline{\underline{\bf{Answer:-}}}}}\mid}}}}$

$(x + 5)(x - 5) \\ \\ ({x}^{2} - \cancel5 \cancel x + \cancel5 \cancel x - 25) \\ \\ {x}^{2} = 25. \\ \\ x = \sqrt{25} \\ \\ x = 5 \: \: \: \: \: \: and \: \: \: \: \: \: - 5.$

$\star {\underline {\underline {formula \: \: \: using}}}$

$\large \red\star(a + b)(a - b) \\ \\ \rightarrow {a}^{2} - {b}^{2}$

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