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vichka [17]
2 years ago
11

What’s the expression of (9x2 - 2x + 7) + (4x2 + 7x + 2)

Mathematics
1 answer:
zloy xaker [14]2 years ago
6 0

Answer:

35+5x

Step-by-step explanation:

Pick each bracket and solve them separately. After solving, then you add them

the first bracket= (9x2-2x+7) = 25-2x ------- eqn 1

the second bracket= (4x2+7x+2) = 10+7x ---- eqn 2

Add eqn 1 and 2

= (25-2x) + (10+7x)

Grouping like terms,

= (25+10) + (-2x+7x)

=35+5x

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