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Ito | Mathematics
IGCSE
IB Math AA SL
IB Math AA HL
Challenges
(1D) Perfect squares expansion
Expand and simplify.
$\left(-2y+9\right)^{2}$
Check
$\left(4+5y\right)^{2}$
Check
$\left(-7x-5y\right)^{2}$
Check
$\left(-4x+7y\right)^{2}$
Check
$\left(7x+2y\right)^{2}$
Check
$\left(-7+4x\right)^{2}$
Check
$\left(7x-8y\right)^{2}$
Check
$\left(6x-7y\right)^{2}$
Check
$\left(-5x-2y\right)^{2}$
Check
$\left(8-9x\right)^{2}$
Check