Question

2. If x=-3, find the value of :
1) 5- 2x
(ii) x2+ 2
(iii) 6-x2​

Answer 1

Answer:

Putting the value of x = (-3)

Therefore,

$5 - 2x = 5 - 2( - 3) = 5 + 6 = 11$

$x {}^{2} + 2 = ( - 3) { }^{2} + 2 = 9 + 2 = 11$

$6 - x {}^{2} = 6 - ( - 3) {}^{2} = 6 - 9 = ( - 3)$

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hope it helps,

ThankU.