Question

solve (5x+4)(5x-6) by using identity​

Answer 1

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

$\huge\tt\red{\bold{\underline{\underline{❥Question᎓}}}}$solve (5x+4)(5x-6) by using identity

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Here this identity is used:-

$↦ \fbox{\red{(x + a)(x - b) }}= {\blue{ {x}^{2} + (a+ b)x + ab}}$

$↦(5x + 4)(5x - 6) = {(5x)}^{2} + (4 + ( - 6))x + 4 \times - 6$

$↦(5x + 4)(5x - 6) = 25 {x}^{2} - 2x - 24$

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