ðŸ‘‰ Try now NerdPal! Our new math app on iOS and Android

Find the numerical value of the expression $-1\cdot 2^2+ax-b,\:six=-3,\:a=-2,\:b=-7$

Go!
Symbolic mode
Text mode
Go!
1
2
3
4
5
6
7
8
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
Dx
|◻|
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

 Final answer to the problem

$3-2x$
Got another answer? Verify it here!

 Step-by-step Solution 

How should I solve this problem?

• Choose an option
• Integrate by partial fractions
• Product of Binomials with Common Term
• FOIL Method
• Integrate by substitution
• Integrate by parts
• Integrate using tabular integration
• Integrate by trigonometric substitution
• Weierstrass Substitution
• Prove from LHS (left-hand side)
Can't find a method? Tell us so we can add it.
1

Calculate the power $2^2$

$-1\cdot 4+ax-b,\:six=-3,\:a=-2,\:b=-7$

Learn how to solve numerical value of an algebraic expression problems step by step online.

$-1\cdot 4+ax-b,\:six=-3,\:a=-2,\:b=-7$

Learn how to solve numerical value of an algebraic expression problems step by step online. Find the numerical value of the expression -2^2+ax-b;six=-3a=-2b=-7. Calculate the power 2^2. Multiply -1 times 4. Calculate the numerical value for -4+ax-b when six=-3, a=-2 and b=-7. Replace the unknowns with their corresponding values. Multiply -1 times -7.

 Final answer to the problem

$3-2x$

 Explore different ways to solve this problem

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

SnapXam A2

Go!
1
2
3
4
5
6
7
8
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
Dx
|◻|
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

 Main Topic: Numerical value of an algebraic expression

The numerical value of an algebraic expression is the result obtained by substituting the variables by a numerical value given.