Write the expression $5 x^{2} - 4 - 3 x^{2} + 6 x + 8 + 5 x - 13$ in its simplified form. Find the value when $x = - 2$

2 x^{2} + 11 x - 9

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

2 x^{2} + 11 x + 9

No worries! We‘ve got your back. Try BYJU‘S free classes today!

2 x^{2} + 10 x - 9

No worries! We‘ve got your back. Try BYJU‘S free classes today!

x^{2} + 11 x - 9

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $2 x^{2} + 11 x - 9$
Given expression
$5 x^{2} - 4 - 3 x^{2} + 6 x + 8 + 5 x - 13$
$5 x^{2} - 3 x^{2} + 6 x + 5 x + 8 - 13 - 4$
$2 x^{2} + 11 x + 8 - 17$
$2 x^{2} + 11 x - 9$ .

Suggest Corrections

Similar questions

2x $^{2}$ + 11x + 14 = 0

4y $^{2}$ + 12y + 9 = 0

5 x^{2} - 4 - 3 x^{2} + 6 x + 8 + 5 x - 3

x = - 2

x \neq \pm 3

\frac{3 x^{2} - 11 x + 6}{9 - x^{2}}

2 x^{2} + 11 x + 14 = 0

4 y^{2} + 12 y + 9 = 0

5 x^{2} - 4 - 3 x^{2} + 6 x + 8 + 5 x + 3

x = - 2

Join BYJU'S Learning Program