Question

The stock value of garment shop is 2x-7x+4 where the power of x represents different cloth materials. Find the coefficient of x^2.​

Answer 1

Answer

To find the zero of 2x

2

+7x−4 is same as solving the equation 2x

2

+7x−4=0

⇒2x

2

+8x−x−4=0

⇒2x(x+4)−1(x+4)=0

⇒(2x−1)(x+4)=0

⇒(2x−1)=0,(x+4)=0

⇒x=

2

1

,−4

A

Answer 2

Mark me brainliest
To find the zero of 2x
2
+7x−4 is same as solving the equation 2x
2
+7x−4=0
⇒2x
2
+8x−x−4=0
⇒2x(x+4)−1(x+4)=0
⇒(2x−1)(x+4)=0
⇒(2x−1)=0,(x+4)=0
⇒x=
2
1
​
,−4