Question

(x²+x²)+4(x²+x) -21​

Answer 1

Step-by-step explanation:

(x²+x²)+4(x²+X)-21

2x²+4x²+4x-21=0

6x²+4x-21=0

mark as brainlist

Answer 2

Step-by-step explanation:

$2 {x}^{2} + 4 {x}^{2} + 4x - 21 = 0 \\ \\ 6 {x}^{2} + 4x - 21 = 0$

............. please mark me brainlist...

sorry not solution this que.....

solve krne ke bad eska ans..

X=(-4+-√520,)/12.

hoga ....long hai...so

please mark me brainlist