8x squared plus 2x minus 3

8x^2+2x-3
factor
()()
find what 2 numbers multiply to get -3 and add to get 2
the answer is -1 and 3
then what 2 numbers multiply to get 8
(2x-1)(4x+3) is the factored form

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!

Idon't know the answer