Question

x2 - 49 = 0 (factoring) Need help not answers

Answer 1

Rule is x^2-a^2=(x-a)(x+a) so you can use this rule...

Answer 2

400^2m use the formula A=s^2 explain how would it be used to find the length od side of lot?

Answer 3

Use:

\[\large a^2 - b^2 = (a+b)(a-b)\]

Here a = x and b = 7..

Answer 4

Just take the square root of 400 you will get the length...

Answer 5

See,

\(Area = Side^2\)

So,

\(Side = \sqrt{Area}\)

\(Side = \sqrt{400}\)

What is the square root of 400??

Answer 6

I just liked your spirit @jezzieljademacaraeg ...keep it up

but please reply to the response given by waterineyes to ur question ..

wht is the square root of 400 ?

Answer 7

Thanks for helping @mathslover

Answer 8

Pleasure of an amby ...