Express in standard quadratic form ax? + bx + c = 0 so that a has a positive value. Write your solution after each number.
9. 3(x2-5) = 4x

10. 2x(x + 4) = 42

11. 3x -9 = x2 -7x

answer: 323 is how many she has ☃☃⛄❄

step-by-step explanation:

60.9774

step-by-step explanation:

because when you add 47.6 plus 7.32 equals 54.92

and when you add .0574 + 6= 6.0574

and when you add 54.92 and 6.0574 you get the answer of 60.9774.

plzz mark brainlest last one got deleted. cause i didn't explain it but i did but i understand what the mod meant