2x^2-50=x^2-1
solve by factoring
step by step please

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Anyone know these questions? i need ,.

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!