book Maths Puzzle Numerical Ability

What is the answer to this binomial, (x+3) (2x-5)

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book Other Question

2) For the function y = x2 - 4x - 5, perform the following tasks:
a) Put the function in the form y = a(x - h)2 + k.

b) What is the line of symmetry?

c) Graph the f The sum of two numbers is -63. The first number minus the second is -41. Find the numbers