Question

(x+0.2)(x-0.2)

Answer 1

HINT: Differences of squares..

Answer 2

\( \color{Black}{\Rightarrow x(x - 0.2) + 0.2(x - 0.2)}\)

Answer 3

Well you can also try the identity \((a + b)( a- b) = a^2 - b^2\)

Answer 4

(a+b)(a-b)=a^2-b^2.....do you get any idea now???

Answer 5

I suggest FOILing it for learning purposes.

Answer 6

to be honest i don't know how to do any of that, i really just need the answer because its online test

Answer 7

\[x ^{2}-0.04\]

Answer 8

thats the answer.

Answer 9

what about (y^x-5)(y^x+5)

Answer 10

\[yx ^{2}-25\]

Answer 11

sorry \[y ^{2}x ^{2}-25\]

Answer 12

its\[y^{2x}-25\]

Answer 13

(a^x-b^y)(a^x+b^y)

Answer 14

?

Answer 15

\[a ^{2x}-b ^{2y}\]