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5 July, 00:51

A rectangle has a height of 3 and a width of 2x^2+3x-52 Express the area of the entire rectangle

Will mark brainlist

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  1. 5 July, 01:14
    0
    6x² + 9x - 156 units squared

    Step-by-step explanation:

    Firstly, recall the formula for area of a rectangle.

    A = lw, where l is the length (height) and w is the width.

    This triangle has height/length 3 and width 2x² + 3x - 52.

    Let's multiply these two numbers:

    3 (2x² + 3x - 52)

    Use the distributive property and multiply each term in the parentheses by three:

    6x² + 9x - 156

    This is the area of the triangle!
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