Question

expand (2/3x-4)^2 using identities

Pls give explanation too as its for test!
URGENT FAST!!!

Answer 1

Answer:

Using the identity is (m+a)(m+b)=m

2

+m(a+b)+ab.

Given: (3x−3)(3x+4) we apply the above identity by taking

m=3x, a=−3 and b=4

We get,

(3x−3)(3x+4)=(3x)

2

+(3x)(−3+4)+(−3×4)=9x

2

+(3x)(1)−12=9x

2

+3x−12

Hence, (3x−3)(3x+4)=9x

2

+3x−12.

Answer 2

Answer:

hey mate

may this will help you:)