Question

thank you pls solve​

Answer 1

(i) x²-21x+90

Splitting the middle term:

So, we get

x²-6x-15x+90

x(x-6) -15(x-6)

(x-6) (x-15)

(ii) 5x²+16x+3

Splitting the middle term:

So, we get

5x²+15x+1x+3

5x(x+3) +1(x+3)

(x+3) (5x+1)

Hope it helps you!