Simplify the polynomial expression: (4x3 + 10x2 − 3x + 15) + (−2x2 + x −2) answer options: 4x3+12x2−4x+13 8x2+4x3+3x+17 4x3 +8x2−2x+13 6x3+10x2−4x+13

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?