Question

Solve: 9x + 20 =x² + 5x​

Answer 1

Step-by-step explanation:

Solution ------>

Given :-

$9x + 20 = {x}^{2} + 5x \\ \\ - {x }^{2} + 9x - 5x + 20 = 0 \\ \\ - {x}^{2} + 4x + 20 = 0 \\ \\ {x}^{2} - 4x - 20 = 0 \\ \\ \\ \\ \\ \\ .....$

A =1

b =-4

c =-20

b² -4 ac

(-4)² -4 x 1 x -20

16 +80

96

Answer 2

Answer:

9x + 20 = x^2 + 5x

-x^2 + 4x +20 = 0

by the quadric equation

x = 6,x = 6