Question

simplify 3x(4x-5)+3and find it's value for X=3​

Answer 1

Step-by-step explanation:

here's your answer dear

Answer 2

Step-by-step explanation:

Given equation is 3x(4x-5)+3

$so \: 3x(4x - 5) + 3 \\ = 12 {x}^{2} - 15x + 3 \\ by \: substituting \: 3 \: in \: x \\ = 12 \times {3}^{2}-15 \times 3 + 3 \\ = 12 \times 9 - 15 \times 3 + 3 \\ = 108 - 45 + 3 \\ = 66$

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