if p(x)=x2-5x+6 then find the value of 2p(1)-p(-2)+4p(1/2) - Maths - Polynomials

Question

if p(x)=x2-5x+6 then find the value of
2p(1)-p(-2)+4p(1/2)

Atul Shaw · Accepted Answer

Dear student,p(x)=x2-5x+62p(1)-p(-2)+4p12=2(12-5×1+6)-(-22-5-2+6)+4×122-5×12+6=2(1-5+6)-(4+10+6)+414-52+6=4-20+(1-10+24)=-16+15=(-1)Regards