$~~~~(x+2)(x+3) = 12\\\\\implies x^2+3x+2x+6 -12=0\\ \\\implies x^2 +5x -6 = 0\\\\\implies x^2 +6x-x-6 = 0\\\\\implies x(x+6) -(x+6) =0\\\\\implies (x+6)(x-1)=0\\\\\implies x=1~~~~~~~~~;[x\neq -6~ \text{because length cannot be negative.}}]$

3 0

3 years ago

If the first step in the solution of the equation -8 - 7x = -5x - 10 is "add 10," then what should the next step be?

dolphi86 [110]

-8 - 7x = -5x - 10....add 10 to both sides
2 - 7x = -5x ......NEXT STEP.....add 7x to both sides

7 0

3 years ago

Read 2 more answers

Select all of the following functions that are quadratic.

raketka [301]

Answer:

A. Y= 2x^2 and D. y+3x=2x^2-8

Step-by-step explanation:

3 0

4 years ago