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What is the simplified version of ( 2a+4a^2+3a)

Firstly group the like terms to make the expression (5a+4a^2) and then factor out 'a' as it is a common term.This makes the expression ( a(5+4a))
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Answered by Rajun G. • Maths tutor
4232 Views

How are flowering plants fertilised?

For fertilisation to occur, the pollen (male gamete) of a flower must come in contact with the ovule (female gamete), which is contained within the pistil, of another flower. A pollinator (insect such as a b...
TD
4066 Views

Find the solutions to the simultaneous equations

y - 2x = 3 x 2 + y 2 = 18Step 1- re-arrange the first formula to find y: y = 3 + 2x Step 2- Substitution: x 2 + ( 3 + 2x ) 2 = 18 Step 3- Expand the brackets: ( 3 + 2x )( 3 + 2x ) = 9 + 6x + 6x + 4x 2 x 2 + ...
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Answered by Rebecca H. • Maths tutor
3456 Views

What is the difference between direct and indirect object pronouns? (Le, la, les, lui, leur)

Pronouns are words that we put before a verb to replace a noun or object. In French there are direct and indirect object pronouns and often it seems difficult to know how to use them. The direct object prono...
JC
Answered by Julia C. • French tutor
5773 Views

Compare surgery and anatomy during the Renaissance with surgery and anatomy in the 19th century. In what ways were they similar?

In both the Renaissance period and the 19th-century surgery and anatomy advanced and new approaches were used. For example, in the Renaissance period, Paré developed ligatures and lotion to seal wounds; this...
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Answered by Zoe G. • History tutor
37592 Views