6. (2,1) 7. substitution 9. x=0 10. y=25

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8 0

3 years ago

Read 2 more answers

Can someone help me on #7

schepotkina [342]

4(5a-8) = 20a - 32. 20a - 32 + 2a = 22a - 32, which is not equal to 12a - 6. Mary is wrong.

6 0

3 years ago

What is the greatest common factor of the polynomial expression 2x^3 - 4x^2 + 6x?

iren2701 [21]

Step-by-step explanation:

$2 {x}^{3} - 4 {x}^{2} + 6x \\ = 2x( {x}^{2} - 2x + 3) \\ \because \: 2x \: is \: common \: from \: all \: terms \\ \therefore \: greatest \: common \: factor = 2x$

5 0

3 years ago