3 years ago

(x+3)(x+4) plz show your work

Mathematics

2 answers:

Molodets [167]3 years ago

8 0

X + 3 = 3x
x + 4 = 4x

vesna_86 [32]3 years ago

5 0

Lets do FOIL (first,outside,inside,last)

(x + 3)(x + 4)
F.....multiply first terms in each set.....x * x = x^2
O...multiply outside terms in each set...x * 4 = 4x
I...multiply inside terms in each set....3 * x = 3x
L...multiply last terms in each set....3 * 4 = 12

put them together....x^2 + 4x + 3x + 12.....combine like terms....
x^2 + 7x + 12 <===

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