Question

please! answer this is my assignment "144b²-25d²"

Answer 1

Step-by-step explanation:

(12b)^2 -(5d)^2

APPLY a^2-b^2 formula then we will get (a+b) (a-b)

(12+5)(12-5)

17*7

119

Answer 2

$\huge\mathfrak\green{\bold{\underline{☘{ ℘ɧεŋσɱεŋศɭ}☘}}}$

$\red{\bold{\underline{\underline{❥Question᎓}}}}$144b²-25d²

$\huge\tt{\boxed{\overbrace{\underbrace{\blue{Answer</p><p> }}}}}$

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$\huge\tt⟹144 {b}^{2} - 25 {d}^{2}$

144 is a square of 12 and 25 is the square of 5

$\huge\tt⟹ {(12b)}^{2} - {(5d)}^{2}$

Here this identity is used :-

$\huge\tt⟹ {a}^{2} - {b}^{2} = (a + b)(a - b)$

$⟹ {(12b)}^{2} - {(5d)}^{2} = (12b + 5d)(12b - 5d)$

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