find: (2a^2+9)(2a^2+5)
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(2a^2 + 9) (2a^2 + 5)
We take the first variable 2a^2 and multiply it with the two numbers in 2nd bracket and we do the same for the second variable in the 1st bracket :
=4a^4 + 10a^2 + 18a^2 + 45
= 4a^4 + 28a^2 + 45
That's your answer!
We take the first variable 2a^2 and multiply it with the two numbers in 2nd bracket and we do the same for the second variable in the 1st bracket :
=4a^4 + 10a^2 + 18a^2 + 45
= 4a^4 + 28a^2 + 45
That's your answer!
hashitha:
thank you alot
My Pleasure!
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