Mathematics, 31.01.2020 17:54 ghari112345

Expand: (3x + 4)(2x − 5)

12x − 10x

6x^2 −7x − 20

6x^2 − 20

5x − 1

simplify: (3x + 2y) - (x + 2y)

4x + 4y

4x

2x

2x + 4y

if 1/2x + 2/3y = 6, what is 3x + 4y?

12

18

36

24

in the polynomial 4x^3 + 5x^2 − 12, what is the coefficient of the x^2 term?

5

0

-12

4

evaluate f(x) = 4x + 3x^2 − 5 when x = -2.

-25

23

-49

-1

Answers: 1

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Expand: (3x + 4)(2x − 5)

12x − 10x

6x^2 −7x − 20

6x^2 − 20

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