Question

(x+4) (x+10) use suitable identity​

Answer 1

$(x + 4)(x + 10) \\ x {}^{2} + (4 + 10)x + 4 \times 10 \\ {x}^{2} + 14x + 40$
⏬⏬Hope it help you ⏬⏬

Answer 2

(x+4)(x+10)
it is of d from (x+a)×(x+b)=x^2+(a+b)x+ab
so d answer goes
=x^2+(4+10)x+4×10
=x^2+14x×40