How do you multiply #(x - 0.6) ( x + 0.6)#?

Question

2277 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-06-03T01:44:53

#x^2-0.36#

Given: #(x-0.6)(x+0.6)#

Use the fact that #(a-b)(a+b)=a^2-b^2#.

Here, #a=x,b=0.6#.

#=x^2-0.6^2#

#=x^2-0.36#

Answer 2 · 2018-06-03T01:49:25

#(x-0.6)(x+0.6) = x^2 - 0.36 #

Use the Difference of Squares Identity #(a+b)(a-b) = a^2 - b^2#

#(x-0.6)(x+0.6) = x^2 - 0.36 #