645/8= 80.625 lol why do u even need this
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➷ (x + 2)(x + 1)
==> x^2 + x + 2x + 2
This can be simplified to give the answer of:
x^2 + 3x + 2
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2/3
2/6 is equivalent to 1/3 and 1/3 + 1/3 is 2/3
<em>Answer:</em>
a = 7 & a = −7
<em>Explanation:</em>
Rewrite the equation as
(x+a)(x−a)=x^2−49
Simplify (x+a)(x−a)
x^2−a^2=x^2−49
Move all terms not containing a to the right side of the equation.
−a^2=−49
Multiply each term in −a^2=−49 by −1
a^2=49
Take the square root of both sides of the equation to eliminate the exponent on the left side.
a=±√49
The complete solution is the result of both the positive and negative portions of the solution.
a=7,−7