Math, asked by Urja2611, 1 year ago

4x2-4x-15
$4 {x}^{2} - 4x - 15$

Shaanraj: plz write the question properly..

Shaanraj: so we can help you

Urja2611: the second one is the Q

Shaanraj: Ok thanks but what is the question

Urja2611: to factorise it

Shaanraj: thanks, I will solve it:)

Answers

Answered by Shaanraj

Hey mate!!!

$<b>Here is your answer ;</b>$

Given,
$4x^2 - 4x - 15$
= $4x^2 - (10 - 6)x - 15$ , (10 - 6) because 10 * 6 = 60, which is 15 * 4
= $4x^2 - 10x + 6x - 15$
= $2x(2x - 5) + 3(2x - 5)$
= $(2x - 5)(2x + 3)$

Hope you understand, because it is middle term splitting factorisation.

$<big><b><marquee >I hope it helps you #need more brainliests marks$

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