Question

5x-4-3x^2+6x+8+5x-13 if X=-2​

Answer 1

Answer:

put x=-2

in above expression

so

5×16-3(-8)+6×(-2)+8+5×(-2)-13

=80+24-12-10+8+26

116

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Answer 2

Step-by-step explanation:

$5x - 4 - 3x {}^{2} + 6x + 8 + 5x - 13 \\ putting \: the \: value \: of \: x \: = ( - 2) \\ 5 ( - 2) - 4 - 3( - 2) {}^{2} + 6( - 2) + 8 + 5( - 2) - 13 \\ - 10 - 4 - 12 + ( - 12 )+ 8 + ( - 10) - 13 \\ - 10 - 4 - 12 - 12 + 8 - 10 - 13 \\ - 61 + 8 \\ - 53 \\ here \: is \: your \: solution$