(5a+6)+(7a+8)
answer-
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Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /