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Earn +20 ptsQ: What are the solutions of x2 minus 21x equals 72?
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If 72 minus k equals 31 what is k?
72 - k = 31 Therefore, k = 72 - 31 k = 41
What is 81 minus some thing equals 9?
81 - 72 = 9
What is the value of x in the equation -12x equals 72?
-6 when you multiply two minus numbers the minus signs cancel each other out so -12 * -6 = 72
What is 350 minus 72?
350 minus 72 is 278.
How do you factorise 18x squared-21x-72?
3(6x2-7x-24) by dividing all the terms by 3
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