-5(-x - 1) + 4x – 1= 49
solve for x
2 answers:
Answer:
x=5
Step-by-step explanation:
-5(-x - 1) + 4x – 1= 49
Distribute
5x +5 +4x -1 = 49
Combine like terms
9x +4 = 49
Subtract 4 from each side
9x+4-4 = 49-4
9x = 45
Divide by 9
9x/9 =45/9
x = 5
Answer:

Step-by-step explanation:

Expand brackets.

Combine like terms.

Subtract 4 from both sides.


Divide both sides by 9.


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The answer is d for this problem
Answer:−2x^3+8x^2−4x
Step-by-step explanation:
Equation:-2x(x2-4x+2)
=(−2x)(x^2+−4x+2)
=(−2x)(x^2)+(−2x)(−4x)+(−2x)(2)
=-2x^3+8x^2-4x
Answer:
8+5 and 8--5
Step-by-step explanation:
minus and minus is plus and 5+8 =8+5