Question

factorise X square + 17 X + 42​

Answer 1

x² + 17x + 42

x² + 14x + 3x + 42

x(x + 14) + 3(x + 14)

(x+3)(x+14)

x = -3,-14

Answer 2

Question:-

${x}^{2} + 17x + 42$

Answer:-

${x}^{2} +14x + 3x + 42$

x(x+14)+3(x+14)

➡(x+3)(x+14)