Question

Factor the following trinomial expression by a method of your choice: 3x2 + 7x-10.
A. (3x + 2)(x - 5)
B. (3x + 5)(x - 2)
C. (3x + 1)(x - 10)
D. (3x + 10)(x - 1)

Answer 1

Use factor by grouping

Answer 2

\[\huge~\rm~ax^2+bx+c=0\]
^that is standered form :)

Answer 3

thanks

Answer 4

so whats -10 times 3 ?

Answer 5

-30

Answer 6

What numbers multiply to -30 but add to 7?

Answer 7

i don't get what you mean

Answer 8

What numbers multply to make 30 ? List the factors of -30

Answer 9

-1,30
1,-30
-5,6
-6,5
-15,2
-2,15

Answer 10

10+-3=7

Answer 11

good :)
(3x+10)(3x-7)
then you just look for a common multiply and divide :)

Answer 12

thank you so much

Answer 13

:)

Answer 14

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