Question

If p(x)=x²+2x+4 find p(2x-1)

Answer 1

Answer:

hope it will be helpfull

here using the

$(a + b) {}^{2} \\ (x + 2) {}^{2} = x {}^{2} + 2x + 4 \\ p(2x - 1) = (2x) {}^{2} + 2(2x)( - 1) + ( - 1) {}^{2} \\ = 4x {}^{2} - 4x + 1$