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A prime factor is a factor (or divisor) that cannot be divided by another number.So we start with the first prime number 2: 56 / 2 = 28.8 is even, so we can divide by 2 again, 28 / 2 = 14.14 is even so we...

3x(x-2)/(2x+1)(x-2)(3x-5) 3x/(2x+1)(3x-5)

Completing the square is taking an equation in the form a₁x²+b₁x+c₁ and butting it into the form a₂(x+b₂)²+c₂Let's t...

Check for any silly mistakes, a lost negative or a simple arithmetic error. If you can’t find any, we’ll work through the question together and see where the method differs from yours. Then we will work o...

Probability that Ria takes Green then Blue is 7/9 * 2/8 = 14/72. Probability that Ria takes Blue then Green is 2/9 * 7/8 = 14/72. Added together we get 28/72 = 7/18.