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Solve the quadratic equation $x^2+2x=15$

Step-by-step Solution

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Solution

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Final Answer

$x=3,\:x=-5$
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Step-by-step Solution

Problem to solve:

$x^2+2x=15$

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Rewrite the equation

$x^2+2x-15=0$

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$x^2+2x-15=0$

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Unlock the first 2 steps of this solution.

Learn how to solve quadratic equations problems step by step online. Solve the quadratic equation x^2+2x=15. Rewrite the equation. Factor the trinomial x^2+2x-15 finding two numbers that multiply to form -15 and added form 2. Thus. Break the equation in 2 factors and set each equal to zero, to obtain.

Final Answer

$x=3,\:x=-5$

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Solving a math problem using different methods is important because it enhances understanding, encourages critical thinking, allows for multiple solutions, and develops problem-solving strategies. Read more

Solve for xFind the rootsSolve by factoringSolve by completing the squareSolve by quadratic formulaFind break even pointsFind the discriminant

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7
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9
0
a
b
c
d
f
g
m
n
u
v
w
x
y
z
.
(◻)
+
-
×
◻/◻
/
÷
◻2
◻◻
√◻
√

◻√◻
◻√
∞
e
π
ln
log
log◻
lim
d/dx
D□x
∫
∫◻
|◻|
θ
=
>
<
>=
<=
sin
cos
tan
cot
sec
csc

asin
acos
atan
acot
asec
acsc

sinh
cosh
tanh
coth
sech
csch

asinh
acosh
atanh
acoth
asech
acsch

How to improve your answer:

Similar Problems Solved

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Main topic:

Quadratic equations

Related topics:

Quadratic equationsEquations

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