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drek231 [11]
2 years ago
10

Expand and simplify (x + 3)(x + 5)​

Mathematics
2 answers:
sweet [91]2 years ago
8 0

Step-by-step explanation:

answer= X2+3X+5X+15

= x2 +8X+I5

Ann [662]2 years ago
6 0
Answer (apply the FOIL method)

X^2+8x+15
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∠D = ∠S, ∠E = ∠P, ∠G = ∠R and ∠F = ∠Q

Also, GF = QR and DE = PS

Where QR = 2x-4 and ∠D = 102°, ∠G = 84° and ∠F = 68°, ∠Q = (6y+x)°

Hence, to determine the value of x for the side QR, we have,

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