Math, asked by arjun872, 11 months ago

expand (3x-7)square

Answers

Answered by amt54321

2

Answer:

9 x^2 - 42 x + 49

Step-by-step explanation:

amt54321: MARK AS BRAINLIEST PLEASE HAVE A GOOD DAY

Answered by pratik348698

1

Answer:

given (3x-7)^2.

(3x)^2+(7)^2-2.7.3x.

9x^2+49-42x.

arjun872: how did u get42x

pratik348698: 2.a.b. 2.3x.-7=-42x.

pratik348698: understand or not

arjun872: yeah thanks

arjun872: I'm new to this

pratik348698: oooo

arjun872: way is our grade

arjun872: which

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