Question

x²+4x-21 in middle term splitting​

Answer 1

QUESTION:- x²+4x-21 in middle term splitting

ANSWER:-

${x}^{2} + 4x - 21 \\ \\ {x}^{2} + 7x - 3x - 21 \\ \\ x(x + 7) - 3(x + 7) \\ \\ (x + 7)(x - 3)$

HOPE IT HELPS

MARK BRAINLIEST PLS

Answer 2

Answer:

$x{2} - 3x + 7x - 21 \\ x(x - 3) + 7( x - 3) \\ (x + 7)(x - 3)$