How can you express (15+30) as a multiple of a sum of whole numbers with no common factor ?​

Evaluate cos2θ for cosθ = square root of 3/2

Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.

Which expression is a factor of 12x2 + 29x – 8? x – 8 2x – 1 3x + 8 4x + 1