Solve the system by the elimination method.  x – 7y = -35 3x – 6y = -30

Solve the equation.2x 2 – 3x – 5 = 0

Solve the equation.x2 + 14x + 48 = 0

Factor.36×2 – 49y2

Factor.x2 – 81

Factor out the GCF from the polynomial.27×3 – 6×2 + 15x

Factor the trinomial.5×2 – 5x + 40

Use the method of your choice to factor the trinomial, or state that the trinomial is prime.9×2 + 6xy – 8y2

Factor the trinomial completely. If the polynomial cannot be factored, write “prime.”x2 + 6x – 7

Use the method of your choice to factor the trinomial, or state that the trinomial is prime.15×2 + 8x – 16