simplify the following algebraic expressions.
[tex] 5.) \: - 9( - 10n - 4 - 7 {n}^{2} ) - 7n[/tex]
need ko ng sagot
[tex] 5.) \: - 9( - 10n - 4 - 7 {n}^{2} ) - 7n[/tex]
need ko ng sagot
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Distribution: -9(-10n) -9 x (-4) -9(-7n^2) -7n
= 9 x 10n -9 x (-4) -9 (-7n^2) -7n
= 9 x 10n + 9 x 4 -9(-7n^2) -7n
Multiply monomials:
=90n + 9 x 4 +63n^2 -7n
=90n + 36 + 63n^2 -7n
(90n - 7n)+36+63n^2
=83n+36+63n^2
=63n^2 + 83n + 36
Explanation: Lol