Square the two cube roots to get the first and third term of the second factor. Multiply the two cube roots together to get the second term of the second factor. In the above example, the first and third terms are x^2 and 9, respectively (3 squared is 9). The middle term is 3x....
In the binomials section he tries to explain how to factorise 2x2-4x, to get to the answer 2x(x-2). He did this by expanding the binomial function. The common factor in the equation 2x2-4x is 2x, this is because there is a 2x in 2x2 obviously but a 2x inside -4x also. there...
During math class in grade school, we were taught how tofactor equations. It is possible you may have forgotten or need a refresher. You may need to factorise if you are going to college or study for a preparation exam. Follow these steps on how to factorise. To factor numbers, practice...
Use the equation x²-10x+24 as an example and factorise it as the product of two binomials. Fill in the missing terms of the binomials with the two integers a and b whose product is +24, the constant term of x²-10x+24, and whose sum is -10, the coefficient of the x term....
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This is an arithmetic sequence with two variables, xn and n. If you know one, you can find the other. For example, if you're looking for the 100th term (x100), then n = 100 and the term is 502. On the other hand, if you want to know which term...
Factorise by grouping : 2x^3-3x^2+6x+4 How could one share $96 so that A has twice as much as B? How do you convert fractions to decimals? Factor 9+21 What is 6 divided by 2(2+1)? Evaluate (7/(x+3)) - (3/(3x+15)) = 62/(x^2+8x+15) ...
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Use the appropriate equation to factor a difference of squares or a difference or sum of cubes. For a difference of squares, x^2 - a^2 = (x + a)(x - a). For example, x^2 - 9 = (x + 3)(x - 3). For a difference of cubes, x^3 - a^3 = (x - a)(x^2 + ax +...