Question

Check whether x = -2 is a zero of the polynomial 2x3 - 3x2 + 8​

Answer 1

Step-by-step explanation:

Hello Dost,Dekho mjhe ek amazing app mili jo mjhe mere 12th boards perparation mein bohot help karti hai. Is aap mein aap apne saare NCERT and reference books ke solutions dekh sakte ho questions ki photo click krke, aap 12th ki test series de sakte ho aur saare mushkil saval India ke best tutors se online puch sakeho FREE mein❤️. Download kro SnapSolve App and khus try krke dekho. Jaldi kro!!! → https://z.snapsolve.com/jg7stpPZzx

Answer 2

Step-by-step explanation:

p(-2) =

$2 {( - 2)}^{3} - 3 {( - 2)}^{2} + 8 \\ = 2 \times - 8 \: \: - 3 \times 4 + 8 \\ = - 16 - 12 + 8 = - 20$

Therefore, x= -2 is not a zero of the given polynomial