Question

hlo solve it ..fastly.....

Answer 1

Question:-

$72x ^{2} - {54x}^{2} + {45x} - 7 = 0$

Given:-

$x = 2$

Solutions:-

$72 {x}^{2} - 54 {x}^{2} = 18 {x}^{2}$

$18 {x}^{2} + 45 {x}^{2} = 63 {x}^{2}$

$63 {x}^{2} - 7 = 56 {x}^{2}$

$56 {x}^{2}$

Answer:-

$56 {x}^{2} answer$

Answer 2

Answer:

$72x2−54x2+45x−7=0 \\ \\ </p><p></p><p>Given:- \\ \\ </p><p></p><p>x = 2x=2 \\ \\ </p><p></p><p>Solutions:- \\ \\ </p><p></p><p>72 {x}^{2} - 54 {x}^{2} \\ = 18 {x}^{2}72x2−54x2 \\ =18x2</p><p></p><p>18 {x}^{2} + 45 {x}^{2} \\ = 63 {x}^{2}18x2+45x2 \\ =63x2</p><p></p><p>63 {x}^{2} - 7 = \\ 56 {x}^{2}63x2−7 \\ =56x2</p><p></p><p> \\ 56 {x}^{2}56x2</p><p></p><p>Answer:- \\ </p><p></p><p> \\ 56 {x}^{2} </p><p></p><p>$