Question

What is the factor of 144-49x"2

Answer 1

The factor of 144-49x^2 is
(12-7x)(12+7x).

Answer 2

Answer:

$(12+7x)(12-7x)$

Step-by-step explanation:

$144-49x^2$

HEre we have 2 terms and also we have x^2

So we try to write this in square form

144 can be written as 12 times 12 = 12^2

49 can be written as 7 times 7 = 7^2

$144-49x^2$

$12^2-7^2x^2$

$12^2-(7x)^2$

Now apply difference of squares formula

$a^2 - b^2= (a+b)(a-b)$

$12^2 - (7x)^2= (12+7x)(12-7x)$