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lyudmila [28]
3 years ago
14

(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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Step-by-step explanation:

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When the terminal arm of an angle starts from the x-axis in the anticlockwise direction then the angles are always positive angles.

Quadrant I      -          0° to 90°

Quadrant II     -       90° to 180°

Quadrant III    -      180° to 270°

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When the terminal arm of an angle starts from the x-axis in the clockwise direction than the angles are negative angles.

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