answer for number 1

X + 5x-2x-10= = 0

Factor the expressions

xx (x+5)-2x+5) = 0

Factor the expression

(x 5) (x

x+ 5 xx-2)=0

Separate into possible cases

X+5=0

X-2=0

Solve the equations

X = -5

x = 2

The equation has 2 solutions

Solution

X1

X2

2

answer for number 2

9:06

Solving Steps

X

+ 5x + 9 = 0

Use the quadratic formula

-

2

4×1x9

5+√5

X

2x1

Multiply

Evaluate

X

5+√25-36

2

Calculate

5± √-11

X =

2