(2x+5)(x+1) if anyone knows the answer to it can you please help.
2 answers:
(2x-5)(x+1)=2
Move all terms to the left side of the equation and simplify.
2x2−3x−7=0
Use the quadratic formula to find the solutions.
−b±√b2−4(ac)2a
Substitute the values a=2
, b=−3, and c=−7 into the quadratic formula and solve for x
3±√(−3)2−4⋅(2⋅−7)2⋅2
Simplify.
x=3±√654
The result can be shown in both exact and approximate form.
x=3±√654
x≈2.76556443,−1.26556443
2x^2+7x+5 you must multiply both equations by each other in the parenthesis
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