Question

Write the expression 5x^2-4-3x^2+6x+8+5x -13 in its simplified form. Find value when x=-2 brainly

Answer 1

Answer:

Step-by-step explanation:

Answer 2

$5x \times 2 - 4- 3x \times 2 + 6x + 8 + 5x - 13 \\ using \: rule \: of \: bodmas \\ = 25x ^{2} - 4 - 6 {x}^{2} +6x+ 8 + 5x - 13 \\ = 25 { x}^{2} - 6 {x}^{2} +6x+ 5x - 4 + 8 - 13 \\ = 19 {x}^{2} + 11x - 23$
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