Find the values of a and b such that x^2+8x-6=(x+a)^2-b

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i