Question

factorise this 4x+5x=0​

Answer 1

Hii

you are welcome in my ans

(2sqrtx - i *sqrt5x)(2sqrt x + i sqrt5x)

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Hope it may helps you

Answer 2

Answer:

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Step-by-step explanation:

$4 {x}^{2} + 5x = 0$

$⟹ \: \: \: \: \: x(4x + 5) = 0$

$⟹ \: \: \: \: \: \: \: \: \: \: \: \: x = 0 \: \: \: or \: \: \: 4x + 5 = 0$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: or \: \: \: 4x = - 5$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: ∴ \: \: \: \: x = \frac{ - 5}{4}$

Therefore, the roots of equation are 0 and - 5/4