X^2+5x 104=x^2+13x 8x 104 ∵ 104=13× ( 8) amp; 5=13 8 amp; =x(x+13) 8(x+13) =(x+13)(x 8) 𝐀𝐧𝐬. ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Factorisation by Regrouping Terms

Factorise: x2...

Question

Factorise:
$x^{2} + 5 x - 104$

Open in App

Solution

$x^{2} + 5 x - 104 = x^{2} + 13 x - 8 x - 104 {\begin{matrix} ∵ - 104 = 13 \times (- 8) 5 = 13 - 8 \end{matrix}} = x (x + 13) - 8 (x + 13) = (x + 13) (x - 8) A n s .$

Suggest Corrections

Similar questions

Factorise:
$x^{2} - 5 x - 24$

Factorize: $x^{2} + 5 x - 104$

Factorise:
$x^{2} - \sqrt{3} x - 6$

Join BYJU'S Learning Program