Math, asked by akshara25, 1 year ago

if x = -1 , y = -2 , z = 3, then find the value of x2 - yz - zx

Answers

Answered by priyamvatha
14
x =-1

y = -2

z = 3

2x -yz-zx

2(-1) - (-2*3) - ( 3* -1)

= -2+6+3

= 7







Answered by Ashley34
8
x2-yz-zx
(-1)2-(-2)(3)-(3)(-1)
-2-(-6)-(-3)
-2+6+3
=7
answer is 7
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