Question

split the middle term of x²+3x-28​

Answer 1

Answer:

${x}^{2} + 3x - 28 \\ {x}^{2} + 7x - 4x - 28 \\ x(x + 7) - 4(x + 7) \\ (x - 4)(x + 7)$

Answer 2

Step-by-step explanation:

$x {}^{2} + 3x - 28 \\ x {}^{2} - 4 x + 7x - 28 \\ x(x - 4) + 7(x - 4) \\ (x - 4)(x + 7)$

This can help you.