Question

Find the value of t² - 4t when t = -3​

Answer 1

21

Explanation:

t^2 = (-3) * (-3) = 9

4t = -3 * 4 = -12

t^2 - 4t = 9 - (-12) = 9 + 12 = 21

Answer 2

`\bold{Answer:}`

`\large\boxed{21}`

`\bold{Solution:}`

Plug in -3 for t in the expression t²-4t.

`\leadsto\boldsymbol{3^2-4(-3)}`

Simplify:

`\leadsto\boldsymbol{9+12}`

`\leadsto\boldsymbol{21}`

So the answer is 21.

Have a nice day!

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