Question

if x= -1 ,y=2 ,z=3 find the value of 2x²-7y+xyz .

Answer 1

SUBSTITUTE THE VALUES IN EQUATION
2 * (-1)square - (7*2)+(-1*2*3)
(2*1)-(14)+(-6)
2 - 14 -6
2 - (14+6)
2 - 20
>>-18

Answer 2

$\textbf{\underline{Answer :}}$

Given polynomial is (2x² - 7y + xyz)

When, x = - 1, y = 2 and z = 3, we find the value of the given polynomial as

2 (- 1)² - 7 (2) + (- 1) (2) (3)

= 2 - 14 - 6

= 2 - 20

= - 18

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