Question

(5-x)(x+4)=0
3x-2=4(x+2)
x×7(x-1)=4-3x​

Answer 1

$5x - {x \: }^{2} \times 20 - 4x = 0$

$3x - 2 = 4x + 8$

$7 {x}^{2} - 7 = 4 - 3x$