97x7
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9x2+2x-7 = (9x-7)(x+1) when factored
To write 507 in expanded form, you would break down the number into its hundreds, tens, and ones places. In this case, 507 can be expanded as 500 + 0 + 7. This means that 507 is equal to 500 + 0 + 7 when written in expanded form.
8.517 in expanded form is 8*1) + (5*0.1) + (1*0.01) + (7*0.001). 8.517 in word form is eight and five hundred seventeen thousandths.
Four hundred (and) seven.
Expanded form is the Number stretched out like this Example: 8,947 8,00o+900+40+7 Value form is the number itself Example:8,947 8,947