What is the product? (x-5)(2x+3x-1)

Which of the binomials below is a factor of this trinominal? x^2-13+30

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy