(4+-2)to the second+4-1
You asked:
Evaluate the expression: \({\left( 4 + -2 \right)}^{2} + 4 - 1\)
MathBot Answer:
\[{\left( 4 + -2 \right)}^{2} + 4 - 1 = 7\]
\[\begin{aligned}{\left( 4 + -2 \right)}^{2} + 4 - 1& = \left(4 - 2\right)^{2} + 4 - 1\\& = 2^{2} + 4 - 1\\& = 4 + 4 - 1\\& = 8 - 1\\& = 7\end{aligned}\]