Question

Solve:- $7x^2=8–26x$

Answer 1

$7x^2=8–­26x$

Step 1:- $7x^2+26x–8=0$

$\Rightarrow$ $7x^2+28x–2x–8=0$

Step 2:- 7x(x + 4) – 2(x + 4) = 0

$\Rightarrow$ (x + 4) (7x – 2) = 0

Step 3:- x + 4 = 0 or 7x – 2 = 0

$\Rightarrow$ x = – 4 or x = $\frac{2}{7}$.