Which of the following would best be solved using factoring by grouping? Group of answer choices

LaTeX: 3x^2 + 12x = 8 3x2+12x=8

LaTeX: x^2 = 25 x2=25

LaTeX: x^3 + 5x^2 - 9x - 45 = 0 x3+5x2−9x−45=0

LaTeX: x^2 + 3x - 10 = 0

b) k’(6, 4); l’(3, 3)

step-by-step explanation:

a 270° clockwise rotation maps every point (x, y) to (y, -x). (it negates the x-coordinate and then switches it and the y-coordinate.)

this means the endpoints of the side congruent to kl, k' and l', would be mapped as:

k'(-4, 6)→(6, 4)

l'(-3, 3)→(3, 3)

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