Expand $:(3 x+7 y)(3 x-7 y)$
$(3 x+7 y)(3 x-7 y)=(3 x)^{2}-(7 y)^{2}$
$=9 x^{2}-49 y^{2}$
Evaluate
$(421)^{2}$
Write the degree of each of the following polynomials
$a x^{3}+b x^{2}+c x+d$
Without actually calculating the cubes, find the value of each of the following
$(31)^{3}-(16)^{3}-(15)^{3}$
Evaluate the following products without multiplying directly
$78 \times 84$
Write the degree of the following polynomials
$5$
Confusing about what to choose? Our team will schedule a demo shortly.
