notice |7| 7 is positive, so we can simply remove the bars and use 7 by itself
HELP!!!! 2x+y= 20 3x+4y= 40
1 answer:
You might be interested in
notice |7| 7 is positive, so we can simply remove the bars and use 7 by itself
Answer:
You "FOIL" (First, Outer, Inner, Last).
Step-by-step explanation:
You "FOIL" (First, Outer, Inner, Last). Basically, you have to multiple each term by each of the other terms.
(3x+2)(4x-7)
(3x)(4x) + (17)(3x) + (2)(4x) + (2)(-7)
12x^2 - 21x + 8x - 14
12x^2 - 13x - 14