Question

(ii) the root of 3 + 2x = 9 is x = 3
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Answer 1

Step-by-step explanation:

s = d ÷ t. speed = distance ÷ time.

a = (v-u) ÷ t. acceleration = change in velocity ÷ time.

F = m x a. Force = mass x acceleration.

w = m x g. weight = mass x gravity.

p = m x v. momentum = mass x velocity.

(mv - mu) = F x t. change in momentum = Force x time.

d = m v. density = mass ÷ volume.

Answer 2

=> 3 + 2x = 9

:- Substituting x = 3 in the given equation

=> L.H.S :-

=>3 + 2 × 3

=> Or, 3 + 6 = 9 = R.H.S

=> L.H.S = R.H.S

Hence, x = 3 is the root of the given equation.

I hope this will help you dear..

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