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3x3 17x2 15x 2x 5

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Anonymous

16y ago
Updated: 4/28/2022

3*3 = 9 17*2 = 34 15*2*5 = 150

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16y ago

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What is the solution to y-2x 5 and x-2y-15?

Assuming y=2x+5 and x=2y-15y=2x+5 (1)x=2y-15 (2)Substitute y=2x+5 into (2):x=2(2x+5)-15x=4x+10-150=3x+10-150=3x-55=3x5/3=x (x=5/3)Substitute x=5/3 into y=2x+5:y=2(5/3)+5y=10/3+5y=25/3x=5/3, y=25/3


Factor 6x2 plus 11x-10?

6x2 + 11x - 10 = (6x2 + 15x) - (4x + 10) = 3x(2x + 5) - 2(2x + 5) = (3x - 2)(2x + 5). Note, first, that the three co-efficients of the original quadratic expression are 6, 11, and -10. We need two numbers whose sum is 11 and whose product is (6)(-10) = -60. These two numbers turn out to be 15 and -4. Thus, we replace the middle term, 11x with 15x - 4x and proceed with the factorisation in the usual way.


What is the answer to -2x y5?

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How do you change 15x-y-45 into slope intercept?

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Solve by substitution method 15x-20y7 5y-3 10x?

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