Question

17 x-1=2
Work out the value of 2x2

Answer 1

Answer:

18

Step-by-step explanation:

Given

x - 1 = 2 ( add 1 to both sides )

x = 3

Then

2x² = 2(3)² = 2 × 9 = 18

Answer 2

Answer:

If $17x-1=2$, then $2(x)^2$ will equal $\frac{18}{289}$

If $x-1=2$, then $2(x)^2$ will equal $2$

Step-by-step explanation:

For the step-by-step solution, please see the attachment. Part A, $17x-1=2$ and $x-1=2$, is executed in black ink while Part B, $2(x)^2$, is executed in blue ink. Detailed justification of each step in green. The given function is provided in red ink.

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