Question

2^3 whole square ^5 x 5^4 divided by 4^3 x 5^2

Answer 1

Answer:

Take mate

Step-by-step explanation:

(i)

7

1

(3x−5)

2

=28

Simplifying the equation,

⇒(3x−5)

2

=28×7

⇒(3x−5)

2

=196

⇒9x

2

−30x+25=196

⇒9x

2

−30x+25−196=0

⇒9x

2

−30x−171=0

Dividing the whole equation by 3, we get

⇒3x

2

−10x−57=0

⇒3x

2

−19x+9x−57=0

⇒x(3x−19)+3(3x−19)=0

⇒(x+3)(3x−19)=0

⇒(x+3)=0 or (3x−19)=0

⇒x=−3 or 3x=19

⇒x=−3 or x=

3

19

∴ Value of x=−3,

3

19