I need help for number 8 is it A B C or D
1 answer:
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Answer:
The area in factored form is .
The area in standard form is .
Step-by-step explanation:
The area of a rectangle is length times width.
So the area here is (x+2)(x-5).
They are probably not looking for A=(x+2)(x-5) because it requires too little work.
They probably want A in standard form instead of factored form.
Let's use foil:
First x(x)=x^2
Outer: x(-5)=-5x
Inner: 2(x)=2x
Last: 2(-5)=-10
---------------------Adding together: .
The area in factored form is .
The area in standard form is .
First set up the equation based on the description.
x + 16 = 3x
Use subtraction to get the "x"s on one side of the equation. You can next subtract <span> x from both sides.
16 = </span>
<span> x
Now you can multiply both sides of the equation by </span>
<span> to solve for x
x = 6</span>
Use subtraction to get the "x"s on one side of the equation. You can next subtract <span>
16 = </span>
Now you can multiply both sides of the equation by </span>
x = 6</span>