Question

Find the value of <a> if (2x5)(x+3)=2x2+x+a​

Answer 1

(2×5)(x+3)=2×2+x+a

10(x+3)=4+x+a

10x+30=4+x+a

10x-x-a=-30+4

9x-a=-26

a=9x+26