Question

Simplify 3x(4x-5)+5 and find its values for :X=3​

Answer 1

given X=3

3X(4X-5)+5

3(3)(4(3)-5)+5

9(12-5)+5

9×7+5

63+5

68

Answer 2

Answer:

$3x(4x - 5) + 5 \\ (x = 3) \\ 3(3)(4(3) - 5) + 5 \\ 9(12 - 5) + 5 \\ 9 \times 7 + 5 \\ 63 + 5 \\ 68$

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