5 Questions
| Total Attempts: 62

Questions and Answers

- 1.Given that (a + b)
^{2}= 30 and ab = 5, find the value of (2a - 2b)^{2}. - 2.If x
^{2}- x + 1 = 2, find the value of 1 + x - x^{2}. - 3.Factorize x
^{2}- 38x + 345. In your answer, please do not leave any spaces.For example,*(x-2)(-5-x)*. - 4.Factorize (x + y)
^{2}+ 5(x + y) + 6. In your answer, please do not leave any spaces.Also, please sort your answer accordingly. For example, (a+b-8)(a-b+3) . - 5.Factorize a
^{4}- b^{4}. In your answer, please do not leave any spaces.Also, please sort your answer accordingly. If there is any square [^{2}] in your answer, just leave it as a number.For example, if the answer is a^{2 }, just put as a2 in your answer.