d^=7d-12 (factoring the same as the last one
d^2 -7d + 12 = 0 can be factored and rewritten
(d-4)(d-3) = 0
Multiply it out to verify.
It is customary when typing equations to put the exponent (in this case 2) after the ^ sign
(d-4)(d-3) = 0
Multiply it out to verify.
It is customary when typing equations to put the exponent (in this case 2) after the ^ sign