Question

2xsquare=18 find the value of x​

Answer 1

Step-by-step explanation:

2(x-2)^2=18

2(x^2–4x+4)=18

x^2–4x+4= 9

x^2–4x-5=0 It is a quadratic equation. For this quadratic equation, there are 2 values for x.

By factoring: (x-5)(x+1)=0

x=5 and x=-1

Try x=5

(5)^2–4(5)-5=0

25–20–5=0

25–25=0

0=0

Try x=-1

(-1)^2–4(-1)-5

1+4–5=0

5–5=0

0=0

Checking: For x=5, 2(5–2)^2=18, 2(3)^2=18

2(9)=18, 18=18, Ok., For x=-1, 2[(-1)-2]^2=18,

2[-3]^2=18, 2[9]=18, 18=18 Ok

Answer 2

Answer:

2×(3) square=18

Step-by-step explanation:

by Neeraj