Find x for the equation: (2 + x)(7 – x)/(5 – x)(4 + x) = 1

x=−4.350480,−1.669843,7.020324

Step-by-step explanation:

Step 1: Multiply both sides by -x+5.

−x3+x2+34x+56=−x+5

−x3+x2+34x+56−(−x+5)=−x+5−(−x+5)(Subtract -x+5 from both sides)

−x3+x2+35x+51=0

(Use cubic formula)

x=−4.35048,−1.669844,7.020324

Check answers. (Plug them in to make sure they work.)

x=7.020324(Works in original equation)

x=−4.35048(Works in original equation)

x=−1.669844(Works in original equation)

d

step-by-step explanation:

by observation, we can see that the the graph is simply the graph of y = |x| that has been shifted 4 units downwards and 3 units to the left.

we can recognize in choice d :

y = | x + 3 |   - 4 (rewriting in general form)

y = | x - (- 3) |   - 4

the "-4 " term means   that the graph has been shifted by 4 units in the negative y direction

the "-3 " term means   that the graph has been shifted by 3 units in the negative x direction

this matches our observation of the graph described above.

4 + 5 7/9= 9 7/9

step-by-step explanation: