Question

If x=1 , y=2 & z=5, find the value of. 2x2 - 3y3 + z2​

Answer 1

Answer:

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Step-by-step explanation:

$2x^{2} - 3y^3} +z^2\\2(1)^2-3(2)^3+(5)^2\\(2\times1) - (3\times 8) + 10\\-12$

Answer 2

Answer:

If x=1,y=2 and z=5, find the value of 2x2−3y2+z2.

step by step explanation:

2*1*1-3*2*2+5*5

2-12+25

27-12

15

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