factorise this expression 2x² - 9x²
Answers
Answered by
1
Step-by-step explanation:
(2x × 2) - (9x × 2)
4x - 18x
but this can't minus
that because this answer is incorrect
Answered by
0
Step-by-step explanation:
2x^2 =4 , 9x^2=81
4 - 81
-77
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