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OlgaM077 [116]
3 years ago
6

(x + 1)(x + 3) + (x + 2)(x + 4)

Mathematics
2 answers:
Inga [223]3 years ago
5 0

Answer:

Step-by-step explanation:

Hello!

(x + 1)(x + 3) + (x + 2)(x + 4)

x*x = x²

x*3 = 3x

1*x = x

1*3=3

x*x=x²

x*4 = 4x

2*x= 2x

2*4 = 8

x²+3x+x+3+ x² + 4x+ 2x+  8=

2x² + 10x+ 11

creativ13 [48]3 years ago
4 0

Step-by-step explanation:

x²+3x+x+3+x²+4x+2x+8

2x²+10x+11....then solve quadratically

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