Factor –7x3 + 21x2 + 3x – 9 by grouping. What is the resulting expression? (3 – 7x)(x2 – 3) (7x – 3)(3 + x2) (3 – 7x2)(x – 3) (7x2 – 3)(3 + x)

Will mark brainliest, , and rate to only chrislaurencelle clarissa made a scale drawing of a rectangle. she used a scale factor of 3 to draw the new rectangle. how does the length of the new rectangle compare to the original? the length of the new rectangle is 3 times shorter than the original. the length of the new rectangle is 12 times shorter than the original. the length of the new rectangle is 3 times longer than the original. the length of the new rectangle is 12 times longer than the original.