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10x² - 9x + 2 = 10x² - 5x - 4x + 2 = 5x(2x - 1) - 2(2x - 1) = (5x - 2)(2x - 1). * (Note that -5 and -4 have a sum of -9; and that their product is +20, which is also the product of +10 and +2. That answers any question of how we knew to split the -9x into -5x and -4x, in the first step, above. This method will work whenever one factorises any factorisable quadratic expression; although I will not attempt here to explain the theory of why.) * The roots are 2/5 and ½. That is, 10x² - 9x + 2 = 0 exactly when, either, 5x - 2 = 0, or 2x - 1 = 0.
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How can you take one from nine and get ten?
9 - (-1) = +10 positive nine minus negative one equals positive ten
Is a nanogram ten to the ninth power?
No, it's 10 to the minus nine
What is minus nine over ten divided by two times one over ten?
negative 9 over 2
What is negative ten subtract negative sixty?
-10-(-60)=50 A negative and a negative equals a positive. Therefore, negative ten minus negative sixty is the same as negative ten PLUS sixty. Sixty minus ten equals fifty.
What is five sixths minus three forth as a fraction?
You change five sixths into ten twelfths and three quarters into nine twelfths. Then you subtract the nine twelfths from the ten twelfths, which equals one twelfth.
What is the square root of nine minus two divided by ten?
7.3
What does negative nine plus negative one equal?
It is minus ten.
What is the answer for ten minus nine eighths?
Ten minus nine eights equals eight and seven eighths.
What is a nano unit?
ten to the power minus nine
What is the name of ten raise to power minus one What is the name of ten raise to power minus threeWhat is the name of ten raise to power minus sixWhat is the name of ten raise to power minus nine?
-10
What is 9 in Roman numerals?
9 - IX The Roman numeral for nine is "IX". The "X" stands for ten and the "I" stands for minus one. Ten minus one is nine. IX or VIIII.
How can you take one from nine and get ten?
9 - (-1) = +10 positive nine minus negative one equals positive ten
What is ten plus one minus 30?
-19 :)
How do you the equation two minus nine minus ten?
1st u do 2 minus nine which equals negative 7 and then u subtract 10 from -7 making the answer 3
Is a nanogram ten to the ninth power?
No, it's 10 to the minus nine
What is 10 plus 10 plus 10 subtract 200?
Ten plus ten plus ten minus two hundred equals negative one hundred seventy.
What is minus ten plus twelve?
-10 + 12 = 2
