Solve for x: 4 (1 - x) + 2 x = -3 (x + 1)

A. -7/5
B. -3/4
C. -7
D. 7/5

C is correct

Step-by-step explanation:

4-4x+2x=-3x-3

3x-2x = -3-4

x=-7

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a