Question

(7x + 8y)3 expand it​

Answer 1

Answer:

(7x+8y)(3)

=(7x+8y)(3)

=(7x)(3)+(8y)(3)

=21x+24y

Step-by-step explanation:

plz plz plz plz follow me if the answer helpful to you

Answer 2

Answer:

$\sf\fbox\red{αɳรωεɾ:-}$

$\sf\fbox\red{formula or identity:-}$

a³+3a²b+3ab²+b³

$\sf\fbox\red{solution:-}$

=7x³+3x7x²x8y+3x7xx8y²+8y³

=343x³+512y³+1176x²y+1344xy³