Question

Which of the following is equal to x3 - 225x

(a) x(1 -15x) (1 + 15x)

(c) x(1 -15x) (1 -15x)

(b) x(x -15) (x + 15)

(d) x(1 + 15x) (1 - 15x)​

Answer 1

THERE ARE SEVERAL FORMULA I USE TO SOLVE THIS QUESTION....{∆}

STEP I

TAKE X COMMON ......✓

STEP II

NOW APPLY THE FAMOUS FORMULA I WILL PROVIDE THE SAME BELOW....✓

$as \: we \: know \: that...... \\ \\ {x}^{2} - {y}^{2} = (x - y)(x + y) \\ \\ now \: acc \: to \: your \: question... \\ \\ {x}^{3} - 225x \\ \\ x( {x}^{2} - 225) \\ \\ x(x - 15)(x + 15) \\ \\ |answer|$

Answer 2

Answer:

Option d is the right answer...